1、Adopting high quality metal material, good strength with stable characteristics and high reliability. 2、Rubber non-slip handle with ergonomic design, can reduce the vibration of grinding. 3、With the function of air saw, it is convenient to change saw blade and file. 4、Safety trigger design to prevent misoperation. 5、Suitable for die casting,stamping and other hardware industry, trimming, chamfering, deburring, can complete the general die casting, stamping parts of the file, saw cutting and processing, and all kinds of aluminum, copper grooves file finishing grindin Features: Adopting high quality metal material, good strength with stable characteristics and high reliability. Rubber non-slip handle with ergonomic design, can reduce the vibration of grinding. With the function of air saw, it is convenient to change saw blade and file. Safety trigger design to prevent misoperation. Suitable for die casting,stamping and other hardware industry, trimming, chamfering, deburring, can complete the general die casting, stamping parts of the file, saw cutting and processing, and all kinds of aluminum, copper grooves file finishing grinding.  Specification: Reciprocating frequency: 800rpm Reciprocating stroke: 5mm Gas consumption: 280cfm Working pressure: 90psi ( 6.2bar) Inlet port: 1/4" Intake size: adjustable speed Prolonged trachea: 43cm / 16.9in Package List: 1 x Filing Machine 1 x Filing Blade 1 x Inlet Interface (1/4") 1 x Hex wrench