.401 Shank Composite Long Stroke Air Hammer

2,100 Blows per minute provide hard hitting cutting action; 3-3/4" Piston stroke; Vibration damped technology reduces the vibration level to 4.2 m/sec2; Patented AIRCAT design double injection composite grip has been ergonomically designed to provide unmatched comfort for the user; Patented AIRCAT silencing technology; Includes heavy duty ball-lock quick change chisel retainer adding safety and reliability