1、RECIPROCATING DESIGN: Reciprocating design makes the air file work more smoothly, with 5mm stroke, easy to operate. 2、4 FILES: Equipped with triangular, round, flat, and half round files, easy to replace and meet various processing needs. 3、SAFE AND QUIET: Built in safety device to prevent sudden start up, with soundproofing cotton, can effectively reduce vibration and noise during work. 4、RUBBER WRAPPED: The pneumatic file is made of alloy steel, the main body is covered with anti slip rubber, which can reduce grinding vibration. 5、WIDE USAGE: Suitable for processing various different materials, such as trimming, chamfering, deburring, casting, stamping, cutting, etc. 1 x Pneumatic Reciprocating File4 x File1 x Hex Wrench Item Type: Pneumatic Reciprocating FileMaterial: Alloy SteelStroke: Approx. 5mm/ 0.2inNo Load Speed: 4000rpmAir Consumption: 4cfmInlet Port: 1/4in