Item Type: Pneumatic File Material: Zinc Alloy + Rubber Product Frequency: 3400bpm Air Pressure: 6.2bar 90psi Air Inlet: 1/4 Weight: Approx. 820g / 28.9oz Size: Approx. 58x7x3cm / 22.8x2.8x1.2in Package List 1 x Pneumatic File 4 x File 1 x Adjustable Air Valve 1 x Adapter 1 x Hex Wrench 4 x Screw 1.Please allow 01 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1The tail exhaust design can be used with hoses to avoid exhaust gas pollution. 2The surface of body is covered with nonslip rubber to reduce grinding vibration. 3Adopting highquality zinc alloy + rubber material, durable to use and wearresistant. 4With safety trigger design to prevent misoperation, suitable for hardware, plastics, electronics, resin, diecasting, household and other industries. 5Widely used for polishing, straightening, deburring and rust removal of aluminum alloy, zinc alloy and other metal die casting machines.