Craftsman 90 psi Air Impact Hammer 1 pc.

401 inch chisel shank opening accepts a variety of chisel head designs. Hardened alloy steel barrel for long tool life. Durable, lightweight polymer housing reduces vibration and fatigue. Spring retainer for quick, simple chisel changes. Delivers 3,000 blows per minute for fast, no hassle cutting and hammering. Applications include chipping, riveting, piercing, trimming, cutting and peening. 2-5/8 inch stroke, 90 PSI recommended air pressure, 4 CFM average air consumption, 3/8 inch hose size. Always use hardened chisel bits with .401 shank.