ATD-2151 Heavy-Duty Long Stroke Air Hammer Perfect for chipping, riveting, cutting, piercing & peening Features quick change chisel holder for quick & easy tool changes Includes: Tapered Punch, Flat Chisel, Weld Buster, Single Cut Panel Cutter & Quick Change Retainer Blows per Minute: 3,600 bpm Barrel Stroke: 2.6 Chisel Shank: .401 Average Air Consumption: 4.12 CFM Inlet: 1/4 NPT(f) Length: 6.9 Weight: 3.3 lbs.