... grinding other metals,rubber, resin and glass.1.Speed:3400RPM2.Stroke:5mm3.Air inlet:1/4"4.Length:6-7/16 ... ventures .The company specializes in manufacturing various kinds of pneumatic Tools, gun accessories and hardware.The products are sold to Europe ... the efficient production of quality products. Our production include, AIR TOOLS,CAR DETECTOR,AIR ACCESSORIES ,COUPLERS,AIR PU HOSE,PRESSURE PAINT ...