Features:1. Made of high quality material, durable to use.2. It can be a air saw, it is convenient to replace saw and file. 3. The body is covered by nonslip rubber which can reduce the vibration of grinding.4. Safety trigger design can prevent error operation.5. Applicable to hardware, plastics, electronics, resins, die-casting, home, and other industries of products grinding, polishing and aluminum alloy, zinc alloy and other metal die-casting machine polishing grinding, correction, deburring, rust removal, etc.Specification:Condition: Brand NewModel: AF-5Impact Number: 3400rpmPiston Stroke: 5mmInlet Port: 1/4inWeight: Approx. 777g / 27.4ozLength Size: Approx. 60cm / 23.6inFile Length: Approx. 14cm / 5.5inPackage List:1 x Air File4 x File1 x Airflow Regulating Valve1 x WrenchNote:New-style and old-style are shipped randomly.