Features 1、RPM and Pressure: The air impact screwdriver has a no load speed of 9000RPM, air pressure of 90Psi, torsion of 100‑120N/M, and an air inlet connection of 1/4in 2、Silencer: Pneumatic gun screwdriver is with silencer exhaust treatment reduces the noise levels and prevents air from blowing into the user's work area. 3、Ergonomics: Pneumatic gun screwdriver is comfortable to use, light weight and ergonomically designed for grip. More comfortable and less vibration. 4、Made of Alloy Steel Material: Pneumatic screwdriver has a longer service life, made of alloy steel material with special heat treatment, strong and durable. 5、Multi Purpose: Pneumatic gun type screwdriver is used for tightening and loosening screws and nuts etc. It is suitable for furniture assembly, furniture decoration, electromechanical assembly, door and window production etc. Specification Item Type: Pneumatic Gun Screwdriver Material: Alloy Steel Chuck: Approx. 6-8mm/0.24-0.31in No Load Speed: 9000RPM Air Pressure: 90Psi Torsion: 100-120N/M Air Inlet Connection: 1/4in Package List 1 x Pneumatic Gun Screwdriver 1 x Connector 1 x Pin 1 x Air Inlet Port 1 x Screwdriver 1 x Hanging Ring