1、This pneumatic file can quickly smooth rough surface. 2、Comes with flat cut, half-round, round, and triangular files to work on a variety of surfaces. 3、Controlled by two-position switch, convenient to operate. 4、Simple structure, easy to maintain. 5、Ideal for light finishing on steel, cast iron, wood and synthetics Features: 1. This pneumatic file can quickly smooth rough surface. 2. Comes with flat cut, half-round, round, and triangular files to work on a variety of surfaces. 3. Controlled by two-position switch, convenient to operate. 4. Simple structure, easy to maintain. 5. Ideal for light finishing on steel, cast iron, wood and synthetics   Specification: Material: Carbon steel Average air consumption: 4 CFM Speed(Max): 3700 SPM Working pressure: 90 PSI Air inlet size: 1/4" Recommended hose size: 3/8" Package Weight: Approx. 1266g / 44.6oz   Package list: 1 * Air Tool 1 * Flat Cut File 1 * Half Round File 1 * Round File 1 * Triangular File 1 * Air Inlet Connector 1 * Wrench