Standard Duty Air Hammer

A powerful, yet economical, fast cutting action zip gun Designed for muffler and pipe removal, body shop and shock work, scraping rust and light front-end work Quick-Change retainer for fast and easy accessory change For use with standard .401' shank chisels Specifications: Shank Opening: .401' Bore Diameter: 3/4' Piston Stroke: 2.63' Tool Weight: 3.5 lbs. Avg. Air Consumption: 3.38 cfm Actual Air Consumption @ load: 13.5 cfm Air Inlet Thread Size NPTF: 1/4' Min. Hose Size: 3/8' Sound Pressure dB(A): 105 Vibration m/s: 15.2 Blows per min @90 PSI: 3, 500 Model Number 711. By Chicago Pneumatic.