BBM Laseranwendungstechnik GmbH

Condition: ready for operation (used), Year of construction: 1990, Immediately available ex location: CNC tool milling machine Hermle Type UWF 700 Year of manufacture 1990 Heidenhain TNC 145 Table 700 x 280 mm Travel X/Y/Z 410/310/400 mm SK 40 Drive 2.2 kW Hydraulic tool clamping Rjdpfoyykwyex Abker Spindle speeds 40 – 2000 rpm Quill stroke 63 mm Rapid traverse in all axes 1.5 m/min Drive 2.2 kW Accessories, vise Weight 1.5 t Price: EUR 2,500 plus VAT, ex location

Condition: ready for operation (used), Year of construction: 1984, Immediately available from training center: MAHO Tool Milling Machine Model MH 600 Year of manufacture: 1984 Table: 700 x 400 mm Travel X/Y/Z: 500/400/400 mm Speeds: 40 – 2500 rpm SK 40 Spindle stroke: 80 mm Coolant system Drive: 4 kW Rsdpfx Aoyykwtobksr Feeds: 8 – 400 mm/rev Head swivels 90/90 degrees Weight: 1900 kg Price: EUR 2,250.-- plus VAT, ex location.

Condition: ready for operation (used), Year of construction: 1989, Available immediately from location: MAHO Toolroom Milling Machine Type MH 500 M Year of manufacture 1989 Redpfx Abeyykwmsker Heidenhain Digital Display Table 800 x 360 mm SK 40 Spindle speeds 63 – 4000 rpm Quill stroke 50 mm Travel X/Y/Z 500/380/350 mm Drive 3 kW Feed rates 10 – 1000 mm/min Coolant system Weight 1600 kg Adapters Hydraulic vise Price: €3,000 plus VAT, ex location

Condition: good (used), 6-way pallets 400x400 Rsdpjyydhxjfx Abkor

Condition: good (used), Year of construction: 1991, travel distance X-axis: 560 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 400 mm, X-travel: 560 mm Y-travel: 500 mm Z-travel: 400 mm Control: TNC 360 Spindle speed: 40-4,000 rpm Rodpfoyx T Dgex Abker Total power requirement: 7.5 kW Machine weight approx.: 2.6 t Space requirement approx.: 2.6 x 1.8 x 2.2 m

Condition: used, Year of construction: 1997, operating hours: 11,928 h, functionality: fully functional, machine/vehicle number: 11734, feed length X-axis: 600 mm, feed length Y-axis: 450 mm, feed length Z-axis: 500 mm, spindle speed (max.): 6,300 rpm, spindle speed (min.): 20 rpm, quill stroke: 75 mm, quill diameter: 110 mm, rapid traverse X-axis: 10 m/min, rapid traverse Y-axis: 10 m/min, rapid traverse Z-axis: 10 m/min, total height: 2,300 mm, total width: 3,520 mm, total length: 4,510 mm, table width: 458 mm, table length: 900 mm, position of the milling head: vertikal, type of input current: three-phase, rotational speed (max.): 6,300 rpm, rotational speed (min.): 20 rpm, overall weight: 5,500 kg, space requirement width: 3,520 mm, space requirement length: 4,510 mm, space requirement height: 2,300 mm, input current: 16 A, input frequency: 50 Hz, number of slots in tool magazine: 34, Equipment: documentation/manual, rotational speed infinitely variable, The machine was used for manufacturing individual parts and very small series. The equipment includes a Renishaw wireless 3D probe, a vise, and tool holders. Rodjyx Hfqjpfx Abkor

Condition: good (used), Year of construction: 2004, Machine-Details: Stock-No. 1022-2394 Type of machine Tool Room Milling Machine - Universal Make AVIA Type FNE 40 NC Year of manufacture 2004 Type of control CNC Storage location Monheim (Germany) Country of origin Poland Delivery time Immediately Freight basis Ex warehouse, loaded on truck Technical details: x-travel 620 mm y-travel 420 mm z-travel 400 mm Rjdpfx Abjyx Eudekor Control Heidenhain TNC 410M table surface area 800 x 400 mm tool taper ISO 40 spindle turning speed - stepless 50 - 4000 U/min main drive motor 5,5 kW weight of the machine ca. 2,1 t Additional information: * CNC control HEIDENHAIN TNC 410M * Coolant equipment * Machine lamp

Condition: new, Year of construction: 2021, Optimum CNC Milling Machine OPTImill F 105 CNC Sinumerik 808D ADVANCE with accessories (new, unused condition): Includes accessories: - CNC Tool Starter Set BT 40 - SPW 12 Clamping Tool Assortment, 58-piece - Hydraulic Milling Vise HCV 105 - 20 liters of cutting and drilling emulsion AQUACUT C1 - Preparation for 4th axis - Carousel tool changer with 12 tool positions - All linear guides with stainless steel covers - Automatic central lubrication - Siemens main spindle motor - Siemens servo drives on all axes (closed loop) - Max. spindle speed 10,000 rpm - Machine lamp in the working area - Portable electronic handwheel with enable switch and emergency stop - Coolant system with 120-liter tank - Tool change is automatic or at the push of a button (electropneumatic tool clamping system) Dimensions and weights: Length approx. 2,164 mm Width/depth approx. 1,860 mm Height approx. 2,200 mm Weight approx. 2,800 kg Drilling/milling capacity: Max. face mill diameter: 70 mm Max. shank cutter size: 35 mm Rapid traverse speed: X-axis 15,000 mm/min Y-axis 15,000 mm/min Z-axis 15,000 mm/min Electrical data: Supply voltage 400 V Network frequency 50 Hz Electrical connection: Total connected load 15 kVA Horizontal milling table: Length 800 mm Width 320 mm Distance vertical spindle to table min. 100 mm Distance vertical spindle to table max. 600 mm T-slot size 14 mm Number of T-slots 3 T-slot spacing 100 mm Max. table load 300 kg Accuracy: Repeatability ± 0.008 mm Positioning accuracy ± 0.008 mm Coolant system: Coolant pump drive power: 650 W Tank capacity 120 l Pneumatic connection: Redpfxjyxyhfs Abkjr Operating pressure 7 bar Travel range: X-axis automatic 550 mm Y-axis automatic 305 mm Z-axis automatic 460 mm Vertical spindle: Spindle taper BT 40 Speed range 10 – 10,000 rpm Motor power (continuous duty S1) 7.5 kW Motor power (intermittent duty S6-30%) 11 kW Motor torque (continuous duty S1) 48 Nm Motor torque (30% duty cycle S6) 70 Nm Feed motor torque: X-axis continuous duty S1: 8 Nm Y-axis continuous duty S1: 8 Nm Z-axis continuous duty S1: 11 Nm Tool changer: Type: Carousel Number of tool positions: 12 Max. tool diameter: 70 mm Max. tool length: 300 mm Max. tool weight: 6 kg Tool change time (T to T): 7 s CNC Tool Starter Set BT 40: - 1 pc. face mill arbor, 27 mm mounting - 1 pc. keyless drill chuck 1.5 – 16 mm - 2 pcs. Weldon 6 mm / 20 mm - 1 pc. each Weldon 8 mm / 10 mm / 12 mm / 16 mm - 1 pc. adaptor BT 40 to MK 3 - 4 pcs. collet chuck ER 32 - 1 pc. collet chuck wrench ER 32 - 18-piece collet set ER 32 - 1 pc. height adjustment device - 1 pc. assembly and tool presetting aid - 15 pcs. pull studs Hydraulic Milling Vise HCV 105: - Robust design for milling - Guide surfaces hardened and ground - Booster system: low effort, high clamping force when tightening - Wide clamping range with locating pin and various hole spacings - Manufactured from high-quality stainless steel - Long service life thanks to high quality - High clamping force Jaw height 42 mm Jaw width 107 mm Clamping width 170 mm Length without handle 442 mm Total height 107 mm T-slots 16 mm Clamping force 24.5 kN Clamping pressure 2,500 kg Dimensions and weights: Weight approx. 22 kg

Condition: used, Year of construction: 2008, x-travel 620 mm y-travel 420 mm z-travel 400 mm digital readout 3 Achsen HEIDENHAIN spindle taper ISO 40 DIN 69871A spindle turning speed range 50 - 4000 U/min table-size 800 x 400 mm table load 400 kg feeds -stepless- max. 2000 mm/min rapid traverse 5 / 4 m/min power capacity - milling spindle (S1) 10,5 kW quill stroke 80 mm voltage 400 V Rsdpfxeyxxyms Abksr total power requirement 17,5 kW weight of the machine ca. 1,9 t dimensions of the machine ca. 2,00 x 2,76 x 2,05 m - Serial-No.: 90395 - Digital display HEIDENHAIN ND780 - electr. handwheel - mechanical handwheels - stepless speed control - stepless feed drives - horizontal milling spindle - coolant device

Condition: good (used), Year of construction: 1992, Mikron WF 3 DPM Tool Milling Machine Mikron WF 3 DPM with Heidenhain TNC 135 Control, Year 1988, Overhauled in 2014, Excellent CONDITION Technical Data: - Year of manufacture: 1988 / 2014 - Fixed angle table - Spindle speed: 31.5 to 3150 rpm - Stepless feed in 3 axes: 0 to 2000 mm/min - Travel paths X/Y/Z: 500/500/400 mm - Rapid traverse x/y/z: 3 m/min - Table size: 800 x 450 mm - Table load capacity: 250 kg - Vertical quill stroke: 90 mm - Vertical and horizontal quill – SK40 - Hydraulic clamping system - Weight approx. 1950 kg - Space requirement approx.: 2.3 x 2 x 2 m - Drive power: 12 KVA Accessories and Equipment: - Heidenhain TNC 135 control - Hydraulic clamping vertical and horizontal Rsdpfeyxc Unsx Abker - Automatic central lubrication - Spindle brake - Technical documentation, spare parts lists, control system manual, and programming examples - Handwheels - Coolant system About the machine: A Mikron WF 3 DPM tool milling machine with Heidenhain TNC 135 control is being offered. This universal milling machine is in excellent original condition. It comes from a workshop where it was used only occasionally for prototyping. The control system is very user-friendly. In addition, the machine features hydraulic clamping both vertically and horizontally. Converting from vertical to horizontal operation is very easy thanks to the swing-away vertical head. The guides are lubricated regularly via central lubrication. The Mikron has been mechanically and electrically tested by us. Take the opportunity to inspect and test the Mikron under power at our facility. You can find more milling machines from well-known manufacturers on our website.

Condition: used, Year of construction: 1998, operating hours: 15,000 h, functionality: fully functional, machine/vehicle number: 94.98.030, feed length X-axis: 600 mm, feed length Y-axis: 500 mm, feed length Z-axis: 450 mm, travel distance X-axis: 600 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 450 mm, spindle speed (max.): 6,000 rpm, spindle speed (min.): 100 rpm, total height: 2,000 mm, total width: 2,000 mm, total length: 2,800 mm, table width: 520 mm, table length: 900 mm, position of the milling head: mittig, type of input current: three-phase, rotational speed (max.): 6,000 rpm, rotational speed (min.): 100 rpm, table load: 400 kg, overall weight: 3,500 kg, input voltage: 400 V, workpiece weight (max.): 100 kg, input current: 40 A, input frequency: 50 Hz, Equipment: documentation/manual, rotational speed infinitely variable, Good used CNC milling machine with low hours. Used exclusively for repairs and very small production runs. Extensive assortment of tool holders as shown in the photos, including vise, chucks, cutters, plates, and tap holders. Also equipped with a Benz high-speed spindle for wet operation up to 25,000 rpm. TECHNICAL DETAILS Drive power at 44% duty cycle: 15 kW Drive power at 100% duty cycle: 6 kW Max. torque: 50 Nm Machining spindles (vertical and horizontal) Max. spindle torque at 44% duty cycle: 800 Nm Rjdpfx Ajywn Siobksr Number of gearbox stages: 4 Adjustable speed range (vertical and horizontal): 10 – 6,000 rpm Toolholder / pull stud: SK 40 / DIN 69871 Max. tool weight: 13 kg Tool diameter: 130 mm Automatic travel distances Spindle longitudinal feed (X-axis): 600 mm Spindle transverse feed (Y-axis): 500 mm Spindle vertical feed (Z-axis): 450 mm Feed drives (AC) Programmable feed rate X / Y-axis: 0 – 15,000 mm/min Programmable feed rate Z-axis: 0 – 12,000 mm/min Rapid traverse rate X / Y-axis: 15,000 mm/min Rapid traverse rate Z-axis: 12,000 mm/min Coolant tank capacity: 150 l Flow rate: approx. 20 l/min Clamping table Table size: 520 × 900 mm Number of T-slots: 4 T-slot width: 14 H7 Table load capacity: 400 kg Tool changer TCD 44 Tool stations: 22 Tool diameter: 80 / 130 mm Max. tool length: 350 mm Max. tool weight: 6 kg Max. workpiece weight in drum magazine: 200 kg Chip-to-chip time: 20-25 s Tool change time: 12 - 16 s Electrical connection data Total installed nominal power: 15.8 kW Usable and connected load: 12.3 kW Operating voltage and frequency: 3 × 400 V / 50 Hz

Condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 63814, travel distance X-axis: 600 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, spindle speed (max.): 4,000 rpm, quill stroke: 80 mm, TECHNICAL DETAILS Travel path X-axis: 600 mm Travel path Y-axis: 400 mm Travel path Z-axis: 400 mm Clamping surface: 254 mm x 354 mm Tool holder: ISO 40 Redpfx Aboywhbdeksr Quill stroke: 80 mm Spindle speeds: 80 - 4,000 rpm Rapid traverse X: 4 m/min Rapid traverse Y: 3 m/min Rapid traverse Z: 5 m/min MACHINE DETAILS Total connected load: 16 kVA

Condition: not inspected (used), Year of construction: 1986, functionality: unexamined, machine/vehicle number: 7393, travel distance X-axis: 500 mm, travel distance Y-axis: 360 mm, travel distance Z-axis: 400 mm, rotational speed (max.): 4,000 rpm, controller model: Siemens 810, No reserve price – guaranteed sale to the highest bidder! Rjdpfsyv A A Hjx Abksr TECHNICAL DETAILS Travel X-axis: 500 mm Travel Y-axis: 360 mm Travel Z-axis: 400 mm Spindle speed range: 20 – 4,000 rpm Table size: 800 x 390 mm Feed rate range: 1 – 2,000 mm/min Rapid traverse: 5 m/min Number of T-slots: 6 T-slot width: 14 mm T-slot spacing: 63 mm Tool holder: SK 40 Number of gear steps: 4 MACHINE DETAILS Control system: Siemens 810 Total power requirement: 9 kW Dimensions & Weight Space requirements (L x W x H): approx. 2,500 x 2,900 x 1,900 mm Machine weight: approx. 2,000 kg

Condition: used, Year of construction: 1975, Universal milling machine MAHO MH800, year approx. 1975 Spindle mount ISO 40 Rodpfx Absyvr Eqekor X-800 mm with universal table. Y axis feed not working? Weight approx. 3 t. Machine documentation available.

Condition: used, Year of construction: 1985, machine/vehicle number: 11429, For sale: MAHO MH 1000c milling machine Serial no.: 11429; BKW GmbH model S..05ES Redpfxoyuwr So Abker Year: 1985; 18 bar; Volume: 1.6 m3/h; 3000 rpm; Power: 0.36 kW; 50-60 Hz; Voltage: 190-240 V; Current: 2.85 A; Net price: 9000 Euro

Condition: used, x-travel 560 mm y-travel 500 mm z-travel 450 mm table surface area 900x520 mm turning speeds 4000 U/min tool taper SK 40 Control Heidenhain type TNC 355 elec. weight of the machine ca. 2,7 t Redpfsyutuvsx Abker The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: like new (used), Year of construction: 2018, operating hours: 170 h, XYZ 500 LR Vertical Machining Centre (170hrs) Siemens 828D Control with Shop Mill, Optimised Digital Servo Drives, Rigid Tapping,Flood Coolant, Worklight, 12 Station Carousel ATC, Easy Clean Swarf Tray, Steel Concertina Guards on all axes, Powder Coated Guarding, Pull Studs, USB Port Technical Specification: X Axis Table Travel: 500 mm Y Axis Table Travel: 400 mm Z Vertical Travel: 440 mm Table Size: 580 × 400 mm Spindle Centre to Column: 415 mm Spindle to Table: 100 – 550 mm Column Front to Table Centre: 215 – 615 mm Rapid Feedrate: 20 m/min Cutting Feedrates: 1 – 20,000 mm/min Max Table Load: 250 kg Spindle Speeds: 5 – 8,000 rpm Spindle Motor: 15 kW (20 hp) Spindle Taper: BT40 Toolchanger: 12 station carousel Toolchange Time: 8 seconds Max Tool Diameter: 100 mm Max Tool Weight: 7 kg Coolant Tank Capacity: 105 L Ballscrew: Grade C3, 28 mm dia P8 AC Digital Servo Motors: X = 8 Nm, Y = 8 Nm Rodpfx Abeyuga Seksr Max Torque Z Axis: 12 Nm, 3,000 rpm Machine Weight: 2,400 kg Footprint: 1,890 × 1,982 × 2,700 mm *For sale with Jet Machinery Ltd* Jet Machinery Stock No: #79112 Machine Serial Number: SMB0147 Cost: £29,95000.00 + VAT Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: good (used), CNC - Universal Milling Machine HERMLE UWF 902-S - Heidenhain 426 control - Year of manufacture: 1997 - Travel X/Y/Z: 600-450-500 mm - Tool holder: SK 40 - Vertical - horizontal milling unit - Boring quill Rsdsytnpxopfx Abker - Coolant system - Swivel/angle table - Machine enclosure - Documentation Dimensions (LxWxH): 3.9x2x2 meters / Weight: 4000 kg Subject to errors and omissions.

Condition: used, Year of construction: 1995, Technical details: x-travel: 600 mm Rsdpfx Aboytnd Asksr y-travel: 400 mm z-travel: 400 mm table surface area: 800 x 400 mm range of revolution per miute: 63 - 3150 / 18 step U/min feed continuous: X/Y/Z: 8 - 800 / 8step mm/min. spindle taper: SK 4 spindle head swivable left - right: 90 ° quill stroke: 105 mm total power requirement: 5,3 kW weight of the machine ca.: 2245 kg machine dimensions LxWxH: 2,1 x 2,8 x 1,9 m Control screen replaced with new LCD. The milling machine is equipped with measuring system with digital display PROTOTRAK MX2. The X and Y axes can run cycles. (interpolation), the Z-axis is moved manually. Spindle with right/left travel Automatic tool clamping via control command Coolant device (without container) Chip collection tray Tool accessories (comparable in the photo) *

Condition: used, Year of construction: 1984, machine/vehicle number: 2804-1181, travel distance X-axis: 500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, table width: 450 mm, table length: 700 mm, rotational speed (max.): 3,150 rpm, rotational speed (min.): 32 rpm, Used DECKEL tool milling machine model FP 3A CNC Table size: 700x450mm, spindle taper SK40 DIN 2080, Travel paths: X/Y/Z = 500/400/400mm, spindle speeds from 31.5 to 3150 rpm (21 working spindle speeds), feed rate 5-1250mm/min, rapid traverse in X, Y and Z 2500mm/min, coolant system and machine feet. Year of manufacture: 1984; the machine was overhauled by Harich in 2010. The machine is located at our site in 71334 Waiblingen-Beinstein and can of course be inspected. Please contact us. Rsdpfsyrnvvjx Abkjr

Condition: used, Year of construction: 2002, Deckel Maho DMU 50 T Milling Machine Condition: Used Year of manufacture: 2002 Rjdpsyrgk Eofx Abkor Technical Data Tool holder: SK 40 Tool stations: 16 positions Travel X/Y/Z: 500 mm / 400 mm / 400 mm Spindle speed range: 20 - 9000 rpm, stepless Table size: 700 mm x 500 mm rotary table Motor power: at 100% duty cycle 9 kW / at 40% duty cycle 13 kW Connection total: 17 kVA Weight: approx. 3000 kg Dimensions LxWxH: approx. 2100 mm x 1520 mm (without peripherals) / approx. 2140 mm

Condition: good (used), Milling Machine Mikron WF 32 CH Rodoyq Hcrspfx Abkjr Technical Data: X-axis: 560 mm Y-axis: 500 mm Z-axis: 400 mm Clamping table Clamping surface vertical: 300x450 mm Number of threaded holes: 2 x 6 Speed range: 25-6300 rpm Swivel range vertical milling head: +45°

Condition: good (used), Year of construction: 1996, Milling Machine Mikron WF 21C 1996 Rodpfxsyq E I To Abkor Technical Data: X-axis: 400 mm Y-axis: 400 mm Z-axis: 400 mm Clamping Table Clamping surface, vertical: 300x450 mm Number of threaded holes: 2 x 6

Condition: used, Year of construction: 2017, Milling machine Optimium Optimil F 105 Rodpfoyphnysx Abker

Condition: as good as new (ex-display), Year of construction: 2020, The machine is on display and has only been used for demonstration purposes. Optimill F 120X CNC milling machine, directly from the manufacturer. F 120X – The OPTIMUM CNC milling machine equipped with Siemens SINUMERIK 828D control stands out for its performance, speed, precision, and long service life. - Heavy-duty design - High productivity - Linear guides for high rapid traverse speeds on all axes - 21-position tool changer magazine - High reliability - Meehanite quality cast-iron construction - Cross table, precision-ground with 3 T-slots - Strongly ribbed, torsion-resistant machine base - Precision-ground, preloaded high-performance ball screws on all axes - High-torque servo drives mounted directly on the ball screws on all three axes - Electronic handwheel - Chip conveyor - Cleaning pistol - RJ45 connection, USB port, and power connection (230V) - Coolant system with 210-litre coolant tank - Heat exchanger Included options: - PPU 290 touch panel - 16,000 rpm inline spindle with oil cooler - Belt conveyor with chip trolley Machine leasing available via Siemens Finance; liquidity required. Dimensions and Weights - Length approx. 2,315 mm - Width/depth approx. 2,194 mm - Height approx. 2,325 mm - Weight approx. 3,800 kg Drilling/Milling Capacity - Maximum cutter head size: 80 mm Feed/Rapid Traverse Speed - X-axis: 40,000 mm/min - Y-axis: 40,000 mm/min - Z-axis: 40,000 mm/min Electrical Data - Connection voltage: 400 V - Number of phases: 3 - Current type: AC - Mains frequency: 50 Hz - Electrical connection - Total connected load: 45 kVA Vertical Spindle to Table Distance - Minimum: 150 mm - Maximum: 450 mm T-slot Size: 14 mm Number of T-slots: 3 T-slot pitch: 125 mm Maximum table load: 250 kg Accuracy - Repeatability: ± 0.006 mm - Positioning accuracy: ± 0.005 mm Coolant System - Coolant pumps - Each pump drive power: 370 W - Tank capacity: 120 l Control - Type: Sinumerik 828D PPU 290 - System software: SW 28x Redpoymkbqjfx Abker - CNC memory: 8 MB - Block change time: 2 ms - Look ahead: 150 - Number of tools: 512 Travel Range - X-axis, automatic: 500 mm - Y-axis, automatic: 400 mm - Z-axis, automatic: 300 mm Vertical Spindle - Spindle taper: BT 30 - Speed range: 10 – 16,000 rpm - Main drive power (continuous S1): 12 kW - Main drive power (S6-30% operation): 22.8 kW - Main drive torque (continuous S1): 38 Nm - Main drive torque (30% operation S6): 116 Nm Feed Motor Torque - X-axis, continuous S1: 6 Nm - Y-axis, continuous S1: 6 Nm - Z-axis, continuous S1: 11 Nm Servo Tool Changer - Design: Carousel in front of the spindle - Number of tool stations: 21