Used Metallkraft Gbp 31175 for sale (82)

Condition: new, sheet width 1050 mm plate thickness 1,5 mm distance between columns -- mm weight of the machine ca. 280 kg dimensions of the machine ca. 1300 x 750 x 1515 mm Manual folding machine FSBM 1020-20 HSG / 3770103 - The workpiece is clamped using a foot pedal, so both hands remain free for material feed - Different tool variants available E, S2, HS2 and HSG - The strong auxiliary cylinder makes bending easier - Wide clearance between the upper and lower beam of up to 25 mm - Self-lubricating slide bearings - Clamping pressure of the upper beam can be easily adjusted using handy knurled screws Bodpfxeudc Izj Adgodc - Adjustment of the material thickness by means of a knurled screw - Adjustable stop for bending angle Equipment details: FSBM 1020-20 HSG - With segmented goat foot tools, segmented bending bar and segmented bed pad - Segments have a hardness of HRC24-26 VA steel 1.2 mm Aluminum 2.4 mm

Condition: new, saw blade diameter 355 mm capacity 90 degrees: round 130 mm capacity 90 degrees: square 125 x 125 mm capacity 90 degrees: flat 170 x 110 mm turning speeds 700 / 900 / 1100 / 1300 U/min mitre joint cuts -/+ degrees - 45 / + 0 total power requirement 3.5 kW Bodpfx Aexabypsdgsdc weight of the machine ca. 25.0 kg Description: - mobile dry metal cutter - for use on a construction site, among other things - with brushless motor - particularly efficient, durable and maintenance-free - for burr-free sawing of profiles and pipes made of steel, iron, copper, brass, aluminum, plastics and composite materials without coolant - use e.g. in metal construction, in carpentry, for interior fitters, etc. - easy to transport - four speeds can be selected at the touch of a button - motor with soft start - digital display showing the selected speed . and current power in watts - angle adjustment 0° - 45° for miter cuts - vice with quick adjustment - large LED work light on the underside of the handle * to illuminate the work area - secure stand thanks to non-slip hard rubber feet - with spindle lock for quick saw blade changes - incl. 1x saw blade for steel 355x25.4x2.4mm Z66

Condition: new, Year of construction: 2026, Mandrel-free pipe bending machine RB 54 - NC-controlled, with large program memory Article number: 4300054 NC control for setting the bending angle Up to 50 programs can be saved High-quality, robust design Fast tool change Purely motor drive Automatically returns to the starting position TECHNICAL DATA General information Bending radius max. 162mm Bending angle max. 210° Bending speed(s) 2rpm Torque 2341Nm Dimensions and weights Length (product) approx. 600mm Width/depth (product) approx. 220mm Height (product) approx. 470mm Weight (net) approx. 107kg Bending performance Bending performance of pipe material 420 N/mm² (Ø x wall thickness) 54 x 4mm Bending performance of pipe material 350 N/mm² (Ø x wall thickness) 54 x 4mm Bending performance of pipe material 650 N/mm² (Ø x wall thickness) 42 x 3mm Electrical data Bdjdpfx Aevk Scgjdgsc Drive motor power 1.1kW Connection voltage 400V Mains frequency 50Hz Location: from stock - available immediately -

Condition: new, Year of construction: 2026, KRBS 101 Combined pipe, profile and belt grinder Convenient operation due to easily adjustable clamping device The rotatable clamping jaws of the clamping device allow safe clamping of square tubes, round tubes and flat steel Adjustable grinding angle from 30 - 90° and from 0° - 60°. Due to the optimised quick-change holder, the tensioning pulley can be changed easily and quickly without tools Particularly durable due to larger and improved roller bearings Practical tension pulley holders integrated in the substructure Extensive range of tension rollers for grinding different pipe diameters available as accessories Quick change between pipe grinding and belt grinding possible Powerful motor Almost all adjustments can be made without tools (operating tool included) Large, hinged protective screen with optimum field of vision 2 belt speeds for optimum adaptation to the respective material (15 m/s best for stainless steel and aluminium, 30 m/s perfectly suitable for steel) With two easily removable chip collecting containers Suction nozzle (Ø 100 mm) for suction systems available Suction units available as accessories Further developed, vibration reducing substructure Scope of delivery: 1 x standard sanding belt grain K 36 2 x spit collection container 1 x screw wrench 1 x sanding roller 42 mm Model KRBS 101 Bjdpfjcnz Ayox Adgedc Article no. 3921001 Technical data Mains connection 400 V Mains frequency 50 Hz Motor power 2.5 / 3.3 kW Sc

Condition: new, Year of construction: 2026, TBS - Manual plate shears Manual plate shears Suitable for cutting mild steel, aluminium, copper, zinc, plastics High quality cutting blades made of steel with a hardness of HRC55-60 Equipped with two operating handles With front support surface with scale and adjustable back gauge 800 mm table height Scope of delivery: 2 operating handles Model TBS 2000-12 Article no. 3746020 Bjdpscnxc Refx Adgedc Technical data working width max. 2000 mm sheet thickness max. - material tensile strength 400N/qmm 1,25 mm backgauge range 0-300 mm weight 511 kg Dimension in mm 2450 x 1100 x 1050 mm

Condition: new, Year of construction: 2026, For sawing e.g. stainless steel, tool steel, hollow sections and solid materials Two-pole drive motor enables saw band speeds of 30 and 65 m/min Monitoring of saw blade tension electromechanically via microswitch When the saw arm is raised, the lowering cylinder locks in the upper position via the solenoid valve - additional locking at the cylinder is therefore not required Saw arm inclined by 25°, thus longer service life of the saw band Precise and robust band guides with adjustable HM plates After completion of the cutting process the saw band stops automatically in the lower end position Lowering of the saw arm by gravity or manually With infinitely adjustable, constant saw arm lowering speed via hydraulic cylinder Bedog U Uv Repfx Adgjdc Dimensions and weights length approx. 1200 mm width/depth approx. 650 mm height approx. 1800 mm Weight approx. 270 kg Electrical data Supply voltage 400 V Mains frequency 50 Hz Machine data Saw band speed(s) 30 / 65 m/min Speed levels 2 Saw band length 2450 mm Saw band width 27 mm Saw band thickness 0,9 mm Material feed Table height material feed 925 mm Cutting range 0° round (tube) 220 mm 0° round (solid material) 120 mm 0° rectangular lying (hollow profile) 230 x 150 mm 0° bundle (tube) 230 x 120 mm -45° round (tube) 160 mm -45° round (solid material) 85 mm -45° rectangular lying (hollow profile) 160 x 90 mm -60° round (tube) 90 mm -60° round (solid material) 55 mm -60° rectangular lying (hollow profile) 90 x 90 mm Art. No.: 3680001 S

Condition: new, Year of construction: 2026, MBSM 150-20 For sanding surfaces, edges and rounding off Powerful motors with vibration-free running to achieve the best sanding results Working height adjustable due to infinitely variable inclination of the sanding unit Workpiece support angle adjustable Continuous flat sanding surface enables sanding of long workpieces as well Bjdpfx Adohk Df Degjdc One suction nozzle each at the spark box and at the rear belt roller Protective disc can be folded away Quick clamping system for changing the abrasive belt in seconds Simple adjustment of the belt run via adjusting screw Motor with brake and circuit breaker Dimensions and weights Length approx. 527 mm width/depth approx. 995 mm height approx. 1025 mm Weight approx. 114 kg Suction Nominal width of external suction nozzle 60 mm Electrical data Supply voltage 400 V Mains frequency 50 Hz Noise emission Emission sound pressure level at the workplace Lp (idling without extraction) 80 dB(A) Grinding unit Grinding width max. 150 mm Sanding belt length 2000 mm Sanding belt width 150 mm Belt speed(s) 30 m/s Contact wheel diameter 200 mm

Condition: new, Year of construction: 2026, HSBM 2020-20 SB - Manual swing bending machine HSBM SB - Manual swing bending machine in heavy design with segmented upper tools simple operation segmented upper tools swivel bending function with secure clamping of the workpiece by pretensioning of the upper beam heavy, compact welded construction for easy bending with exact adjustment of the bending angle by means of stop with scale particularly low-maintenance Segment division 25-30-35-40-45-75-100-150-200-200-270-400-400 Note on technical data: max. sheet thickness: performance data related to material with tensile strength 400N/mm²; bending capacity VA: factor 0,75; bending capacity Alu: factor 1,2; for bending VA hardened upper tools are required Model HSBM 2020-20 SB Article-No. 3772920 Technical data working width max. 2.020 mm bending capacity max. steel 400 N/qmm 2 mm Bending capacity max. steel 400 N/qmm without cheek widening Bending capacity max. steel 400 N/qmm w. cheek widening Bending capacity max. stainless steel 1,5 mm Bending capacity max. aluminium 2,4 mm Bending angle max. 135 Segment division Clearance between upper and lower cheek max. 120 mm length 2500 mm Bodpfxscnxc Ns Adgjdc width 710 mm height 1500 mm Weight 1.020 kg Location: Ex works - free on truck -

Condition: new, Year of construction: 2026, For sawing tubes and solid materials made of stainless and tool steelTwo band speeds by means of pole-changing motorRobust gear with hardened and ground shaftPrecise and robust band guides with adjustable carbide platesLonger service life of the saw band due to saw arm inclination of 25°Efficient coolant application to the saw band guidesElectromechanical monitoring of the saw band tension, In case of deviations, a microswitch switches off the machine chip clearing brush for optimum cleaning and maintenance of the saw band function of the semi-automatic machine:Automatic workpiece clamping after the start of the cutting cycleExecution of the saw cut at the selected band speedAutonomous stop of the lowering movement and of the saw band in the lower end positionAutonomous return movement of the saw arm to its upper end positionOperator only has to move the material automaticallyEquipment:Two band speedsCut-off buttonCoolant systemChips clearance brushSaw band tension monitoringSwivelling control panelLength approx.1860 mmWidth/Depth approx.1045 mmHeight approx.1750 mmWeight approx.405 kgPower consumptionPower consumption1.5 kWElectrical dataConnection voltage400 VMachine dataSaw blade speed(s)20 - 100 m/minSpeed steplessSaw blade length2720 mmSaw blade width27 mmSaw blade thickness0,9 mmSaw blade 60 - -45 °Cutting ranges0° round (tube) Bdjdpfx Adsd Hx Uqjgoc

Condition: new, Year of construction: 2022, width of the strips 75 mm band length 2000 mm Bsdex H Aliopfx Adgsdc band speed 36 m/min total power requirement 4 kW weight of the machine ca. 82 kg dimensions of the machine ca. 1000 x 500 x 1150 mm Belt sander Metallkraft MBSM 75-240-1, article no.: 3923272 For sanding surfaces, edges and rounding off Description: - Powerful motors and vibration-free operation for the best sanding results - Quick sanding belt change in seconds thanks to quick-release system - Large surface sanding area thanks to fold-away upper sanding belt cover - Continuous sanding surface after removal of attachments enables sanding of long workpieces too - Can be used with and without extraction - One extraction nozzle on the spark box and one on the rear belt roller - Simple adjustment of the belt run via adjusting screw - Automatic retensioning of the sanding belt thanks to spring-loaded belt tensioning system - Infinitely tiltable sanding unit - Fold-away protective screen

Condition: excellent (used), METALLKRAFT Profile Steel Shear / Punch HPS 65 DS Combined Hydraulic Profile Steel Shear and Punch with Punching Station, Notching Station, and Flat Steel, Angle Steel, and Profile Steel Shear – enables simultaneous operation at punching and profile steel shear. Punching Station - Punching Force: 65 t - Punching Capacity: max. Ø 26 x 20 / Ø 57 x 10 mm* - Throat Depth: 305 mm - Stroke Length: max. 55 mm - Number of Strokes: 25 strokes/min - Working Height: 900 mm Rod Steel Shear - Cutting Capacity Round: max. Ø 45 mm* - Cutting Capacity Square: max. 45 x 45 mm* Angle Steel Shear - Cutting Capacity L-Profile 90°: 120 x 120 x 12 mm* - Cutting Capacity L-Profile 45°: 70 x 10 mm* - Cutting Capacity U/I Profile: 120 x 58 mm - Cutting Capacity T-Profile: 90 x 11 mm - Working Height: 1,140 mm Flat Steel Shear - Cutting Capacity 90°: max. 300 x 20 / 375 x 15 mm* - Miter Cut 45°: max. FL 100 x 15 mm* - Blade Length: 380 mm - Working Height: 900 mm Notching Station - Material Thickness: max. 10 mm* - Notching Width: max. 45 mm - Notching Depth: max. 90 mm - Notching Station: 100 x 100 x 10 mm Machine Data - Motor Power: 5.5 kW | 400 V - 50 Hz - Dimensions (LxWxH): 1700 x 950 x 1880 mm - Weight (net): approx. 1,600 kg Shipping on pallet via freight forwarder possible Europe-wide. Additional machines available! Take a look at our listings. If you have any questions, feel free to contact us by message or phone: Maschinenhandel Nord Gerstenstraße 2 17034 Neubrandenburg Bsdpfx Adoxizansgedc

Condition: new, Year of construction: 2025, functionality: fully functional, total height: 41 mm, saw band length: 6,880 mm, Fully automatic horizontal mitre saw for cuts from +60° to -60°, equipped with Siemens control system and 2000 mm material feeder - Dual-column guided horizontal bandsaw for cutting solid bars and bar profiles - Siemens S7-1500 control with extensive functionality, operated via a 7'' touchscreen display - Standard with 2000 mm material feeder -> frequency-controlled feed via ball screw and servomotor - Material database with preset sawing parameters and characteristic curves - Sawing movement via ball screw and servomotor - With ARP (automatic cutting feed regulation) -> automatic saw blade feed based on material resistance. The feed rate is continuously adjusted to the current cutting load. ARP enables shorter processing times and longer saw blade service life. - Automatic positioning after entering the desired angle Bdjdpfxox Uk Aro Adgsc - Hydraulic clamping of the turntable allows for precise angle cuts - Robust machine frame and minimal distances between the saw blade, machine guideways, and workpiece minimize vibrations for optimal cutting performance - Infinitely variable cutting speed from 15 to 150 m/min - Saw drive via bevel gearbox, asynchronous motor, and frequency inverter - For straight cuts, clamping of the material before and after the cut via split vise - Adjustment of hydraulic vise pressure via a control valve with pressure gauge - 7° saw blade inclination and hydraulic band tension increase blade service life - Front blade guide automatically moves parallel to the movable vise jaw - Swarf removal brush driven by blade wheel - Emulsion cooling with fluid distribution to the blade guides and directly into the cutting channel - LEUZE safety light barrier in front of the machine and material feeder - More powerful motor available as an option - Blade guides with integrated cooling system

Condition: as good as new (ex-display), Year of construction: 2022, functionality: fully functional, input voltage: 400 V, type of input current: AC, total height: 1,620 mm, total length: 830 mm, total width: 900 mm, overall weight: 110 kg, saw blade diameter: 275 mm, cutting range round steel at 90°: 80 mm, saw drive: 1,500 W, Exhibition machine, like new Bdjdpfxexrz Iko Adgec Year of manufacture: 2022 - Suitable for steel - Two cutting speeds - Reduction gear, low-noise operation in oil bath - Automatic membrane coolant pump with standard coolant filter - Movable safety guard ensures optimum safety during cutting - Control handle with safety switch - Electrical system in low voltage (24 volts), equipped with emergency stop button, main switch, speed selection switch, and overload protection - Machine head rotatable 45° to both sides - Quick-release vice tiltable 45° to both sides - Quick-release vice with double clamping device ensures precise, burr-free cuts - Quality Made in Europe

Condition: as good as new (ex-display), Year of construction: 2017, functionality: fully functional, machine/vehicle number: 1735072, grinding length: 600 mm, grinding width: 300 mm, total height: 1,800 mm, total length: 2,630 mm, total width: 1,550 mm, distance table to spindle center: 500 mm, table load: 300 kg, grinding wheel width: 38 mm, spindle speed (max.): 1,450 rpm, overall weight: 1,750 kg, power: 3.75 kW (5.10 HP), input voltage: 400 V, disc diameter: 355 mm, Exhibition machine for sale – top condition - Designed for precision surface grinding tasks in industrial applications - Maximum rigidity and stability thanks to stress-relieved annealed and hardened cast iron construction - High-quality spindle with precision tapered roller bearings (runout accuracy 2 µm) - Electromagnetic chuck for securing workpieces, including automatic demagnetization function - Automatic central lubrication system for all guideways and spindles - Hand-scraped and Turcite-B-coated V-flat guideways ensure extremely smooth, low-friction movement and highest precision - Halogen work lamp: dustproof, fully touch-protected, and protected against water jets according to IP65 Bodpfjxpvxrex Adgsdc - A second grinding wheel flange is included in the delivery AD 5 automatic feed control The FSM series models are equipped with an automatic feed control (AD 5). Various grinding cycles are available: surface grinding with infeed at the starting point, slot grinding with infeed at the starting point, and slot grinding with infeed at both the start and end points. The infeed of the grinding wheel can be individually configured depending on the workpiece. The total grinding dimension is divided into rough and fine infeed steps, which can be freely programmed with a minimum increment of up to 0.001 mm, depending on the application. The system also allows dwell times after a defined number of infeed steps and spark-out passes after reaching the grinding dimension, ensuring optimal grinding results.

Condition: as good as new (ex-display), Year of construction: 2023, functionality: fully functional, operating hours: 2 h, power: 3 kW (4.08 HP), total height: 1,800 mm, total length: 2,510 mm, total width: 2,280 mm, overall weight: 1,450 kg, saw band length: 4,520 mm, saw band width: 34 mm, Exhibition machine, year of manufacture 2023/11, TOP CONDITION including material detection sensor including cutting line laser including micro-spray system including cut path monitoring For sawing hollow sections and solid materials made of steel, stainless steel, tool steel, non-ferrous metals and plastics Compact design with minimal distance between saw arm guide and vise for low-vibration operation Saw arm with travel measurement sensor for determining the position above the workpiece and an additional lower end position sensor Saw blade guide with adjustable carbide plates for precise cutting Sturdy saw blade guide mounted on linear rail Front blade guide moves parallel to the movable vise jaw – ensures more stable blade guidance Infinitely variable saw blade speed adjustment from 20 - 100 m/min Hydraulically driven chip brush Cut touch function with integrated sensor Bodpfx Asxm Sc Uodgedc With frequency inverter for stepless saw blade speed adjustment Chip removal brush for optimal cleaning and maintenance of the saw blade Automatic blade guide adjustment Hydraulic blade tensioning device Vise with pressure reducer Operation via modern and powerful Siemens HMI multitouch panel Saw blade guides with integrated cooling system

Condition: new, Year of construction: 2025, NEW MACHINE Bsdpfxsrwx Hno Adgedc please ask for daily updated price! We will make you an individual offer!

Condition: new, Year of construction: 2025, NEW MACHINE Bdsdpsrwx Itjfx Adgoc please ask for daily updated price! We will make you an individual offer!

Condition: new, Year of construction: 2025, New machine. Please ask for current price and delivery time. Item number supplier: 3951407 Bdedeth Ugyepfx Adgoc Saw blade speed: 20 - 80 m/min. Saw blade length: 2865 mm max. cutting height: 205 mm throat: 356 mm table width: 500 mm Working height: 990 mm

Condition: ready for operation (used), Year of construction: 2007, Manual light metal circular saw Metallkraft LMS 400 - Working condition - Year of manufacture: 2007 Bdodjx Tz R Dopfx Adgsc - Spare saw blade included - Can be tested on-site under power - Shipping via freight company available at extra cost - On-site loading with forklift - Invoice with VAT included

Condition: used, Year of construction: 2022, sheet width:1550 mm plate thickness:4 mm pre-bending:6 total power requirement:2,2 kVA weight of the machine ca.:1,42 t dimensions of the machine ca.:2,7 x 0,75 x 1 m Bdjdpfot Hmlqox Adgsc roll feed:3,5 m/min Motorised blade roller 3 rolls Material width 1550 mm Material thickness max. 4 mm Shaft diameter 140 mm Roll feed 3,5 m/min

Condition: good (used), Year of construction: 2004, Offer 24455 Technical data: - Saw feed via hand lever - Saw blade diameter 315 mm - largest opening width vice approx. 160 mm - Cutting range approx. at 90° approx. 100 mm - flat up to 135 x 80 mm - Cutting range Li + RE at 45° approx. 108 mm - flat up to 100 x 80 mm - Cutting range Li at 60° approx. 80 mm - flat up to 70 x 80 mm Bsdpfsuv Eygsx Adgedc - Cutting speeds approx. 33 + 66 rpm - Drive 400 V / 1.3 / 1.8 kW - Coolant device - Space requirement approx. W 950 x H 1600 x D 950 mm - Weight approx. 270 kg

Condition: used, Year of construction: 2017, machine/vehicle number: 119, Lg.no. 24217 Technical data: - max. working width 2520 mm Bodpfstpnplex Adgsdc - max. material thickness at 40 kp / mm² strength 3.5 mm - preselectable bending angle setting - upper beam drive 400 V / 1.1 kW - Bending beam drive 400 V / 4.0 kW - Space requirement approx. W 3900 x H 1550 x D 1200 mm - Weight approx. 4500 kg

Condition: used, Year of construction: 2004, Force Presscylinder: 4000 KN Steel, Gush: 4-6 to/h Bodpelhqc Njfx Adgsdc Aluminium: 3-4 to/h Driving Power: 1x22 kW Arrangement Surface 7x4, 2x4, 1 mxm Machnie weight: 23 to Place: Austria Available immediately

Condition: ready for operation (used), Year of construction: 2008, operating hours: 4,308 h, functionality: fully functional, Force Presscylinder: 6000 KN Steel, Gush: 16 to/h Bodexuqv Nopfx Adgsdc Aluminium: 6-8 to/h Driving Power: 2x22 kW Arrangement Surface 7,1x3,3 Machnie weight: 51 to Place: Austria Available immediately

Condition: like new (used), functionality: fully functional, power: 11 kW (14.96 HP), cutting height (max.): 115 mm, cutting width (max.): 4,200 mm, height adjustment type: electric, SCHEER PA 7004 – 4200 x 4681 mm LIKE-NEW panel dividing system DIRECTLY FROM THE MANUFACTURER with lifting table, optimization software, and new PC control LIKE-NEW 1 year warranty For sale is a fully overhauled SCHEER PA 7004 panel dividing system with a processing capacity of 4200 x 4681 mm. The system has been technically and visually refurbished and features a new industrial PC with a Linux operating system, network connectivity, and remote maintenance capabilities. Ideally suited for industrial carpentry workshops, furniture manufacturers, interior design companies, and panel processing companies that value precision, performance, and high availability. Equipment and highlights: New PC control New industrial PC with Linux operating system Network connectivity (LAN/WLAN) TeamViewer remote maintenance USB interfaces Graphical cutting plan display Multilingual user interface 15" flat screen in the swiveling control panel Optionally available with label printing system Panel saw FM 22-4200 Hardened guides Servo-driven saw unit Feed speed 2–70 m/min Return speed up to 100 m/min Automatic lowering of the saw unit Main saw 11 kW Scoring saw 2.2 kW Automatic cut height adjustment Cut-off device Lamella protection curtain Safety guard locking Workpiece clamping protection Bdedpoza Efwjfx Adgjc Technical data: Cutting length: 4,200 mm Fence depth: 4,681 mm Cutting height: 115 mm Fully automatic angle pressing device For precise cross cuts with automatic workpiece fixing. Material feed table HP 5100 Servo-driven material pusher 2 top guides Rack and pinion guide 7 retractable clamping fingers 3 controlled extraction bolts 11 triple roller tracks Feed speed 25 m/min Return speed 50 m/min Four-spindle lifting table TE 5085 Table length 4,200 mm Table depth 2,800 mm Lifting height 640 mm Lowering height 280 mm Motor-driven roller tracks Right and left operation Recesses for rear loading Automatic alignment systems Longitudinal alignment WP 5038 Double execution Two motor-driven alignment fingers For panel lengths up to 4,800 mm Cross alignment WP 5037 3 pneumatic stop and alignment cylinders Integrated braking system Workpiece support Angle stop table HP 5094 2 workpiece support tables HP 5095 Air cushion system LK 5161 Radial fan and piping system included Optimization software OPTIMIN The system features the proven OPTIMIN cutting plan optimization. Bills of materials are entered directly into the machine, automatically optimized, and immediately made available for processing. Advantages: Material savings Shorter processing times Optimal utilization of the system Easy operation Additional equipment: Powered roller track on the right Set of carbide saw blades Operating manual Hardware key for optimization software Conclusion A powerful and extensively equipped panel dividing system with modernized control technology, automatic alignment, lifting table, and optimization software. The machine has been completely overhauled and is ready for immediate use. ✓ LIKE-NEW ✓ New industrial PC with Linux ✓ Network compatible & TeamViewer ✓ Optimization software OPTIMIN ✓ 1 year warranty