Used Extruder Gear for sale (7,855)

Condition: excellent (used), functionality: fully functional, Year of construction: 2002, operating hours: 48,651 h, Mazak Space Gear-510 MKII 2.5 kW Fpodpfowqr Tdox Afpji Year of manufacture December 2002 - after renovation!!! Very good condition! Meter reading 48651 hours Operating system Fanuc L-64

Condition: ready for operation (used), Year of construction: 2002, Extruders and oil screw presses for soybean processing, obtaining oil and soybean cake. There are two extruders and two presses. One extruder and one press work in tandem and form a pressing line. The motor power of the press is 22 kW and the power of the extruder is 55 kW. the capacity of one line is 500-800kg/h Fedpjtxinaofx Afpspi The price refers to one line (exstruder+press)

Condition: excellent (used), functionality: fully functional, Year of construction: 2007, operating hours: 41,417 h, Mazak Hyper Gear 510 4.0 kW Year of production February 2007 Meter reading 41417 hours MAZATROL operating system very good condition Technical data of the MAZAK HYPER GEAR 510 laser cutter Fpjdpfx Aewqr Twsfpsi - laser power: 4 kW - feeds in the X/Y/Z axes: 3070/1545/100 mm - dimensions of the work table (length x width): 3000 x 1500 mm - maximum weight of the workpiece: 930 kg - maximum dimensions of the workpiece (length x width x height): 3050 x 1525 x 25 mm - laser type: CO2

Condition: like new (used), Year of construction: 2013, BLOW EXTRUDER HDPE Fjdpfx Afowivdkjpopi Model EuroTruder 75 Made by Euro-Stel, Belgium YOM 2013 extruder: diameter 75x28 D - with neck sweder and granulate hopper mold is not included EXCELLENT CONDITION

Condition: used, functionality: fully functional, Used Lehmann UMT extruder. Suitable for a wide range of applications including food, biogas, substrates, wood fibre, and more. Contact for further information. Fjdoyxfg Tepfx Afpjpi

Condition: excellent (used), Year of construction: 1983, operating hours: 87,618 h, functionality: fully functional, machine/vehicle number: DS 85610, overall weight: 4,000 kg, total length: 5,200 mm, total width: 1,700 mm, total height: 2,500 mm, power: 75 kW (101.97 HP), input voltage: 380 V, input frequency: 50 Hz, input current: 160 A, Original WEBER 8.8 extruder with extended barrel to model 8.22. Comes with new and original screws from Weber. HMI control panel, previously used in a cleanroom environment. Includes hopper. Machine is offered as is. Fpjdpfx Afex Apckopei

Year of construction: 2024, condition: as good as new (ex-display), functionality: fully functional, machine/vehicle number: 04344, BRAND NEW Leistritz ZSE Maxx Series (27 / 40 / 50) – 48 L/D – 0 Hours – Factory Wrapped! Technical Specifications Manufacturer: Leistritz Extrusionstechnik GmbH Models Available: ZSE 50 Maxx ZSE 40 Maxx Fedey Ufk Repfx Afpepi ZSE 27 Maxx Year of Manufacture: 2024 Condition: 100% Brand New (Zero operating hours, completely unused, still in original factory packaging/wrapping) L/D Ratio: 48 L/D (All units upgraded directly by Leistritz with brand-new complete barrel sets and new shafts) All machines are with side feeders. Description Available for immediate individual or package sale: Three (3) pristine, 2024 Leistritz ZSE Maxx Twin-Screw Extruders (Models: ZSE 50 Maxx, ZSE 40 Maxx, and ZSE 27 Maxx). These machines were originally dedicated laboratory units held by Leistritz. To meet high-specification production requirements, Leistritz directly upgraded all three machines to a 48 L/D ratio. These OEM upgrades included a brand-new, complete barrel set and brand-new shafts installed entirely by the factory. All three machines are in 100% brand-new condition with zero (0) operating hours. They remain fully wrapped and packed in their original factory delivery boxes—they have never been opened, touched, or commissioned since arriving from Leistritz. Each machine is a complete, turnkey system supplied with its own high-end feeding setup, control architecture, and an extensive array of genuine auxiliary tools and spare parts. Scope of Delivery & Included Accessories (Per Machine) Feeding & Extrusion Setup Volumetric Feeder & Side Feeder (with dedicated side feeder trolley) Feed Ports Downstream & Die Attachments Strand Die Head, Die Plates, & Screen Carrier Plates Control & Electrical System Full Control Cabinet (including the Macrometer integrated into the operational panel) Complete set of Connection Cables & Cables for the Main Drive Comprehensive Spare Parts Kit for the control cabinet Vacuum & Degassing System Spare set of Screw Vacuum Pumps, Vacuum Hoses, & Vacuum Gauges Vacuum Pump Heating/Cooling Systems & Connection Hoses Sensors, Maintenance & Installation Melt Temperature & Melt Pressure Sensors Screw Mounting Device, Screw Extractors, & Cleaning Brushes Lifting Rods, Leveling Elements, & Corrosion Inhibitors Listing Summary for Buyers Available Models: ZSE 27 Maxx, ZSE 40 Maxx, ZSE 50 Maxx. Immediate Availability: Skip the massive factory lead times for a brand-new Leistritz line. OEM Guaranteed: All modifications and extensions to 48 L/D were performed officially by Leistritz. Pricing available for individual machines or as a complete 3-machine package. Photos of the packed crates and original documentation are available upon request.

Condition: new, Year of construction: 2025, operating hours: 60 h, functionality: fully functional, workpiece weight (max.): 40,000 kg, wheel width: 3,700 mm, feed length X-axis: 2,000 mm, feed length Y-axis: 1,300 mm, feed length Z-axis: 500 mm, rotary table diameter: 3,700 mm, position of the milling head: 0,025, table diameter: 2,000 mm, feed rate X-axis: 10 m/min, feed rate Y-axis: 10 m/min, feed rate Z-axis: 6 m/min, total length: 12,000 mm, gear diameter: 400 mm, total height: 5,000 mm, total width: 4,000 mm, Equipment: CE marking, documentation/manual, rotational speed infinitely variable, TECHNICAL REQUIREMENTS GEAR HOBBING MACHINE GHM 2500 CNC Description of the main components of the GHM 2500 machine The GHM 2500 CNC gearing milling machine is a machine tool intended for processing by milling toothed wheels and toothed crowns. The machine is equipped with an external teeth milling head - which can process the teeth with an inclination angle from 0 to +/- 45 degrees - and an internal teeth milling head. The machine is composed of a milling unit, a unit for clamping and rotating the workpiece and the pinion axis centering tip. The milling/gearing unit is provided with three translation axes and two rotation axes, as follows: -X axis: longitudinal/radial movement towards the workpiece axis -Y axis: vertical movement of the gearing head -Aza Z: tangential movement of the gearing head -Axis: inclination +/-45 degrees of the gearing head -Axis C: rotation of the main axis of the gearing head The part fixing unit (the machine plate) has a rotation axis, axis B, for rotating the part. Fodpfey A Nglsx Afpjpi 1. External Gearing head – the housing of the tooth milling head is a GG300 gray cast iron cast piece. On the front side there are the counter guides of the Y axis (vertical movement of the head). Inside are the main tool actuation mechanisms, the mechanism for the horizontal movement of the gearing head axis and the mechanism for tilting the gearing head. The main actuation mechanism of the gearing shaft is composed of a 55 kW – S1 motor, a ZF angular reducer and a gearing shaft, mounted in the housing of the toothing horse. 2. Internal Gearing head – the housing of the tooth milling head is a GG300 gray cast iron cast piece. On the front side there are the counter guides of the Y axis (vertical movement of the head). Inside are the main tool actuation mechanisms, the mechanism for the horizontal movement of the gearing head axis and the mechanism for tilting the gearing head. The main actuation mechanism of the gearing shaft is composed of a 55 kW – S1 motor, a ZF angular reducer and a gearing shaft, mounted in the housing of the toothing horse. 3. The Quill - has the role of fixing the high parts, having a vertical displacement stroke. 4. The longitudinal advance mechanism of the upright, X axis – is made by a servo motor 30 Nm_ 3000 rpm, a Gressner worm reducer and a ball screw diam. 80 x 10, accuracy class IT 3. 5. The vertical advance mechanism of the toothing head, Y axis – consisting of a 30 Nm_ 3000 rpm servo motor, a Gressner worm reducer and a ball screw diam 80 x 10, precision class IT3. 6. Plate advance mechanism / plate rotation, C axis – is made with two 50 Nm_ 2000 rpm servo motor, a Gressner worm reducer and a duplex worm that meshes with the worm crown located on the plate. 7. The gearing head tilting mechanism, axis B – is made by a / 20 Nm_3000 rpm servo motor, a Gressner worm reducer and a worm gear-segment worm gear transmission. 8. The axial displacement mechanism of the gear head, Z axis – is made by a 20 Nm_3000 rpm servomotor, an Alpha Getriebe planetary reducer and a ball screw diam. 63 x 10, accuracy class IT3. 9. Top horizontal positioning mechanism, auxiliary axis X1 – a 20 Nm_ 2000 rpm servo motor, an Alpha Getriebe planetary reducer and a ball screw diam 63 x 10, precision class IT5.

Condition: as good as new (ex-display), Geared Electric Motor, SEW-EURODRIVE 0.55 kW, Used Machine Fedpfezk Aupox Afpopi Manufacturer: SEW-EURODRIVE, Bruchsal, Germany Type: S77 R37 DRS71M4BE1 Part Number: 01.1951560301.0001.14 Power: 0.55 kW Motor Speed: 1360 rpm Output Speed: Extremely low, only 3.5 rpm! Maximum Torque: 1100 Nm Frequency: 50 Hz Voltage: 220–242 V Δ / 380–420 V Y Current: 2.80 / 1.62 A Extra: Equipped with a factory-installed safety brake (BE1). Output Shaft Diameter: 45 mm Overall Dimensions: Width: 740 mm Depth: 390 mm Height: 320 mm Weight: 70 kg

Condition: as good as new (ex-display), SEW-EURODRIVE KAZ37 Helical-Bevel Gearmotor with Brake – 3 kW, 319 RPM, New (2018), Used Machine Manufacturer SEW-EURODRIVE (Vienna, Austria) Complete Type Designation KAZ37 DRS100M2BE2/TF/Z/LN Overall Dimensions Width: 640 mm Depth: 200 mm Height: 260 mm Technical Specifications Year of Manufacture: 2018 Motor Power: 3 kW Motor Speed: 2840 RPM Gearbox Output Speed: 319 RPM Gear Ratio (i): 8.91 Output Torque: 90 Nm Fpedpszka T Nofx Afpji Operating Voltage: 230/400 V (Δ/Y) – Three-phase Current Consumption: 10.00 A (230 V) / 5.80 A (400 V) Integrated Brake: Vbr 400 AC Brake Torque: 7 Nm Efficiency Class: IE1 (82.5% at full load) Net Weight: 47 kg

Condition: ready for operation (used), Gear hobbing machine type FD320, FD500 and FD 800 Cugir Maximum module 6 to 10 mm Fjdocrd Nmjpfx Afpepi Max. working diameter 320 to 800 mm

Condition: excellent (used), Herringbone Gear Generator MDV 2000 MDV 2000 Characteristics: Max. wheel diameter: 2000 mm Min. wheel diameter: 50 mm Max. module: 12 Fpjdofx Ibnjpfx Afpei Min. module: 3

Condition: ready for operation (used), SYKES 5 E MODEL, 2 UNITS AVAILABLE Double helical gear cutting, herringbone gear generator SYKES 1600 mm Special machine for gear power transmissions, oil, petrol & gas industry. In very good working condition. Fpjdpfxox Rvgus Afpoi Specifications: Work spindle bore: 8.75" (222 mm) Tailstock to face of work spindle, max: 48" (1219 mm) Standard cutter diameter: 6" P.C.D. Standard cutter bore: 3.5" EXTERNAL GEARS: Blank diameter, max: 63" (1600 mm) Min: 0 Face width, double helical: 0 - 18" (0 - 457 mm) Face width, spur or single helical: 0 - 10" (0 - 254 mm) INTERNAL GEARS: Blank diameter, max: 66" (1676 mm) Face width: 0 - 8" (0 - 203 mm) P.C.D., max: 66" - (2 x rim thickness) Pitch range, max: 16 D.P. (1.6 Mod) Min: 1.5 D.P. (17 Mod) Helix angle range: 0 - 45 degrees Dimensions: 3300 mm (L), 3250 mm (W), 2700 mm (H) Weight: 18,940 kg

Condition: ready for operation (used), Year of construction: 1980, Gleason Hypoid cutter Sharpener 13A -1 pcs Milling diameter 89-500 mm Grinding wheel dimensions 305x19x102 mm Feed 0,05-0,18 mm Grinding wheel drive motor - 1800 rpm (60 Hz) - 1500 rpm (50 Hz) Floor space 1240x2310 mm Fedper Elpvefx Afpspi Height 1422 mm Machine weight 4083 kg Gleason 19 revacicle cutter checking machine - 1 pcs

Condition: ready for operation (used), Year of construction: 1988, SARATOV 5C280P Spiral Bevel Gear Generator - 2 machines Max gear diameter: 800 mm Max module: 16 Max gear ring width: 125 mm Number of teeth: 5-150 Spindle speed range: 20-125 rpm Main motor power: 7.5 kW Overall dimensions (LxWxH): 3170x2180x2200 mm Fedoum Ez Repfx Afpjpi Weight: 15 t SARATOV 5C276 Straight Bevel Gear Generators Module (mm): 10 Max. gear wheel diameter: 500 mm Max. bevel gear cone distance: 250 mm Max. gear ring width: 80 mm Min. angle of dividing cone (pitch): 5 degrees Number of gear teeth: 10 – 150 Distance between spindle and machine center: max. (stock angle 5°): 375 mm; min. (stock angle 90°): 75 mm Stroke: 100 mm Slider double stroke: 48 – 400 spm Motor capacity: 4.0 kW Machine weight: 8750 kg

Condition: ready for operation (used), Year of construction: 1970, Gear hobber ZFWZ 6300x40 Fpodpsxln Iwjfx Afpei Manufacturer: WMW-MODUL Model: ZFWZ 6300x40/1 Year of manufacture: 1970 Max. workpiece diameter: 7100 mm Gear width: 1500 mm Max. module: 45 Table diameter: 5300 mm Cutter diameter x width: 400x500 mm Max. helical angle: 45 degrees Hob diameter: 500 mm Hob speeds: 9–63 rpm Total power requirement: 47 kW Machine weight: 160 tons Equipped with standard hobbing head, tangential hobbing head, internal milling head, change gears, supports. Video available.

Condition: excellent (used), For sale is a Ponndorf PX 15 peristaltic pump equipped with a Lenze geared motor with smooth speed control. This pump is designed for the precise transfer and dosing of liquids, where the medium only comes into contact with the flexible working hose. This solution ensures the safe pumping of aggressive, viscous, and solid-containing substances. The unit is mounted on a sturdy steel base and is sold as a complete set with the geared motor. The visual condition is as shown in the photos – normal signs of use. Technical data: Pump manufacturer: Ponndorf Handelsgesellschaft mbH Model: PX 15 Serial number: 3284 Pump type: peristaltic (hose) Geared motor manufacturer: Lenze Gearbox type: 11 712 02 10 Gear ratio: 10:1 Output speed range: 30–166 rpm Torque: 18–32 Nm Motor manufacturer: Hanning Elektro-Werke Motor power: 0.37 kW Supply voltage: 220/380 V Frequency: 50 Hz Protection class: IP54 Country of manufacture: Germany (West Germany) Application: The pump is designed for the transfer and dosing of: adhesives, paints and varnishes, resins, chemicals, detergents, syrups, sludges and sediments, lime milk, suspensions and liquids with fine solid particles. Key advantages: the medium only comes into contact with the working hose, dry running capability, self-priming, gentle pumping without damaging the medium, smooth performance adjustment thanks to the Lenze drive, robust construction made in Germany, easy operation and replacement of the working hose. Fpjdpfx Ajzi Hc Iefpji

Condition: used, Year of construction: 2006, workpiece diameter 5 - 1.000 mm module range 0,2 - 25 Fodszkvvyjpfx Afpjpi helix angle < 90 ° Control Wenzel GearTec faceplate diameter 750 mm x-axis 1.200 mm y-axis 550 mm z-axis 1.000 mm total power requirement 6,5 kW weight of the machine ca. 11 t dimensions of the machine ca. 3,30 x 3,15 x 2,70 m Software: BMain, FPDFPPostAction, GrafTool, TAlign, TAnalyse, TApplication, TCali, TCut_INPUT, TCut_MEAS_EVAL, TGear_INPUT, TGear_MEAS_EVAL, THob_INPUT, THob_MEAS_EVAL, TMesblatt, TPlot, TRoot_INPUT, TShaft_INPUT, TShaft_MEAS_EVAL, TStat, TStylus, WMI, wingeco.

Condition: used, Year of construction: 2011, Hesse & Co MS 2504 - Panel shear with geared motor - Electric back gauge, 750 mm - Manual adjustment of cutting clearance - 1 set of spare blades Fpodpfx Afjzi A Ruopsi - Operating manual - Year of manufacture: 2011 Technical data - Cutting capacity: 4 mm - Cutting length: 2550 mm - Cutting angle: 1° 30' - Strokes per minute: 42 - Table width: 450 mm - Table height: 800 mm - Back gauge (max. length): 750 / 100 mm - Motor power: 7.5 kW - Operating voltage: 400 V - Dimensions (W x H x D): 3050 x 1330 x 2260 mm - Weight: 3300 kg

Condition: used, Year of construction: 1996, functionality: fully functional, machine/vehicle number: 804, We offer this used Sumitomo NPG-2×1000 gear grinding machine, year of manufacture 1996. Model: NPG-2×1000 Fsdszgqzcspfx Afpopi Serial number: 804 Manufacturing year: 1996 Manufacturing month: 7 month If you have any questions or need more information, feel free to send us a message or give us a call.

Year of construction: 1991, condition: good (used), Ref. -No.: 10656 Manufacturer: PFAUTER Type: PE 150 Year of construction: 1991 Type of control: CNC Control: Sinumerik 840 Storage location: Halberstadt Country of origin: Germany Turning Speeds: 150 - 600 RPM Tool Taper: SK 40 Machine length: 4700 mm Machine width: 3600 mm Machine Height: 2800 mm Weight: 8 t Workpiece Diameter: 150 mm Fsdszkpx Uopfx Afpepi Maximum tooth width.: 150 - 200 mm Table diameter: 160 mm Table drilling: 63 mm Max. cutter diameter: 130 mm Max. cutter length: 220 mm swivel angle: +/- 45° Further information: - The machine has been completely converted to Siemens 840D, including the motors and control cabinet. - The milling head was completely overhauled by Pfauter in 2013. - The low-voltage system and magazine conveyor are included. - It is equipped with a deburring station. The machine can be viewed while powered on by prior arrangement.

Condition: used, Year of construction: 1974, max. wheel diameter 400 mm gear width 75 mm total power requirement 25 kW weight of the machine ca. 7 t L O R E N Z (Germany) High Performance Automatic Gear Shaper Model LS 400 Year 1975 Serial No. 12 592 _____ External gear, max. Ø 400 mm (possibly larger) Internal gear dia. 350 mm Gear width, max. 75 mm Module range 0.5 - 6 Length of stroke 82 mm Adjustment of stroke position 0 - 100 mm Distance between shaper spindle and machine body 250 mm Spindle taper MK 5 No. of strokes, roughing/finishing process 118 - 1,000 per min Table size 400 mm Table bore 125 mm Mounting height between table and shaper head 190 / 290 mm Axial travel of tool slide, approx. 295 mm No. of teeth, approx. 12-150 Feed range, tooth depth 0.01 - 0.063 mm/stroke Feed range, rotary feed by Tool-Ø 125 0.125 - 3.15 mm/stroke Spindle drive, approx. 19 kW Total electrical load, approx. 25 kW - 380 V - 50 Hz Fodpfx Afjt Hww Djpspi Weight 7,000 kg Accessories / Special Features * Hydrostatic straight guides with separate hydraulic aggregate. * Built-in raiser plate approx. 100 mm to increase height of shaper head. * Hydraulic universal workpiece clamping device built by RINGSPANN to clamp ring shaped workpieces on the inner diameter with various inserts to accommodate different workpiece diameters. * Stepless Regulation of number of strokes for improving roughing and finishing process * Automatic changeover of number of strokes, and automatic feed changeover for roughing and finishing work in up to 3 cuts. * Automatic and motor-driven fixing of shaping stroke in the upper position after work is finished. * Separate switch and control cabinet. Two-hand start. * Coolant equipment with magnetic chip conveyor and chip collection container. * Various change gears, shaping tool holders, etc. Condition : Satisfactory to Good. Machine can be inspected under power. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract. Thank you for your interest. We always have a good selection of gear machines on stock. Please let us know what you need.

Condition: used, Year of construction: 1980, max. wheel diameter 2500 mm gear width 0 mm max. module 34 min. module 1 total power requirement ca. 15 kW weight of the machine ca. 15 t dimensions of the machine ca. 4,20 x 2,00 x 2,90 m Fpodet Hw Aaepfx Afpei Extra große ZR-Prüfmaschine, Gegenhalter

Condition: used, Year of construction: 1969, max. wheel diameter 265 mm gear width 45 mm max. module 4 min. module 0,3 max. workpiece diameter 300 mm Fsdpfx Ast Hwruofpjpi stroke length max. 0-50 mm stroke position adjustment 25 mm distance work spindle /surface of the table 170/245 mm spindle taper innen MK 4 table-size 180 mm table hole 95/75 mm strokes per minute 450 - 840 total power requirement 10 kW weight of the machine ca. 5200 kg dimensions of the machine ca. m Max. gear Æ (external) approx. 265 mm Max. workpiece Æ for internal gears 300 mm Max. gear width 45 mm Module range 0.3 - 4 Length of stroke 0 - 50 mm Adjustment of length of stroke 25 mm Distance between table and spindle, min./max. 170/245 mm Spindle taper (external 90 / internal 50) MT 4 Table size 180 mm Table bore 95 / 75 mm Table travel, cross, approx. 175 mm Number of strokes, infinitely variable 450 - 840 /min Feed range 0.09 - 0.6 mm/stroke Rotary feed, strokes per cutter revolution 2,722 - 681 Total electrical load 10 kW - 380 V - 50 Hz Weight 5,200 kg Accessories / Special Features * Selection switch for various working programmes, and for manual control. * Multi-cut device for roughing, finishing and sparkout, via presettable micrometer screws. * Hydraulic workpiece external clamping device mounted on table, for internal gears (a sort of collet chuck). * Separate switch cabinet. * Separate hydraulic unit. * Hydrostatic straight guide, with cooling aggregate for the hydrostatic pressure oil, separate. * Lateral table adjustment ensures optimal ram lift from workpiece. * Infinitely variable number of strokes via DC motor. * Built-on coolant device. * Presettable impulse counter for switching off table after every cut. With digital display. * Various change gears.

Condition: used, Year of construction: 1980, max. wheel diameter 2500 mm gear width 1200 mm max. module 32 min. module 3 total power requirement 25 kW weight of the machine ca. 60 t dimensions of the machine ca. m Gear , min. / max. 180 / 2,500 mm Module 3 - 32 Helix angle, max. 10 - 35 ° Gear width for straight gears 1,200 mm Stroke length, approx. 100 - 1,200 mm No. of strokes 80 - 350 /min Stroke position adjustable 300 mm Stroke speed 4 - 40 mm Max. weight of workpiece, approx. 18,000 kg Min. / max. no. of teeth 16 / 576 Table size x bore 1,400 x 500 mm Grinding wheel Ø, approx. 500 mm Grinding wheel peripheral speed 34 m/s Fpedjt Hwqqopfx Afpoi Total electrical load, approx. 45 kW - 380 V - 50 Hz Weight of machine, approx. 60,000 kg Accessories / Special Features: * Hydrostatic guides in grinding slide, table and in all other guideways. * Completely covered working area with sliding doors. * Automatic grinding process for various cycles, with settings for roughing, finishing, fine finishing and automatic dressing cycle after preset number of teeth. * Profile correction is possible via appropriate dressing, as well as additional movement of grinding slide (depth and width crowning). * Approx. 50 change gears. * Grinding slideTilt display device. * Large coolant device with band filter and oil mist exhaust. * Separate switch cabinet. * Separate hydraulic unit. * Separate oil cooling unit. Condition : Very good. Machine can soon be inspected in our showrooms. It is not under power at present. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract. The machine comes directly from a first class gear factory, where it was grinding Quality 5 - 6. Grinding diagrams are available. This type and quality of machine is rarely available. Thank you for your interest. We always have a good selection of gear machines available. Please let us know what you need.