Supply 3-key, 4-key and water resistant (IP54, IP65, IP67) Electronic Digital Calipers 0-70mm, 0-100mm, 0-150mm, 0-200mm, 0-250mm, 0-300mm to 0-2000mm, Auto ON/OFF and Extra large LCD can be available. For the details, please visit our website (1)Digital calipers, auto on/off type Order No.101-0150 150mm/6''x0.01mm/0.0005'' with roller Order No.101-0200 200mm/8''x0.01mm/0.0005'' with roller Order No.101-0300 300mm/12''x0.01mm/0.0005'' with roller (2)Digital calipers, 3-key type (ON/OFF key, Inch/mm Key, Zero Key) Order No.101-3504 100mm/4''x0.01mm/0.0005'', open vernier Order No.101-3506 150mm/6''x0.01mm/0.0005'', open vernier Order No.101-3508 200mm/8''x0.01mm/0.0005'', open vernier Order No.101-3512 300mm/12''x0.01mm/0.0005'', open vernier (3)Digital calipers, 3-key type, extra large LCD.(ON/OFF key, Inch/mm Key, Zero Key) Order No.101-3524 / 101-3544 ( Basic Model/Auto Lock Model):100mm/4''x0.01mm/0.0005'' Order No.101-3526 / 101-3546 ( Basic Model/Auto Lock Model):150mm/6''x0.01mm/0.0005'' Order No.101-3528 / 101-3548 ( Basic Model/Auto Lock Model):200mm/8''x0.01mm/0.0005'' Order No.101-3532 / 101-3552 ( Basic Model/Auto Lock Model):300mm/12''x0.01mm/0.0005'' (4) Digital calipers, 4-key types ( Tol Key, ABS Key, Hold Key and Model Key type) 150mm, 200mm, 300mm (5) Digital calipers, water resistant, IP54/IP65/IP67 type 150mm, 200mm, 300mm (6) Heavy duty digital calipers with fine adjustment & external upper jaws 300mm, 450mm, 500mm, 600mm, 800mm, 1000mm, 1500mm, 2000mm Jaw Length from 60mm to 300mm (7)Heavy duty digital calipers with fine adjustment without upper jaws 300mm, 500mm, 600mm, 1000mm, 1500mm, 2000mm Jaw length from 75mm to 300mm *****In addition, we also supply the following products: (1) Cutting Tools-------including Drills, End Mills, Milling Cutters, Slitting Saws, Saw Blades, Reamers, Taps & Dies, Tool Bits, Boring Bars, Carbide Burrs, Carbide Inserts, etc (2) Measuring Tools-----Vernier Calipers, Electronic Digital Calipers, Micrometers, Dial Indicators, Squares, Protractors, Gages, etc (3) Hand Tools-------Scripers, Steel Rulers and Tapes, Wrench and Socket Sets, etc (4) Machine Accessories---Tool Post and Holder, Collects, Chucks, Drill Chucks, Milling Arbors, Sleeves, Vises, Working Tables, etc (5) Machinery----Metal Working Machines, Woodworking Machines, Shear Bending and Rolling Machine, etc (6) Working Equipment, Safety & Material Handling-----Lifting Equipments, Wheels, Halogen Lamps, Protection Gloves, Non-Woven Products, etc (7) Pneumatic Units --------Tube series, Air Duster Series, Quick Coupler, Push-in Fitting, Bronze Ball Value, Air Control Unit, Air Cylinder, Air Compressor, etc