Combine the 121 Air Hammer into the convenience of a kit. Product Features:Up to 3,000 blows per minuteAlloyed steel barrel and heat-treated piston for longer lifeBuilt-in power regulator and trigger controlKit Includes: 6 Chisels (3/4 inch flat blade, punch, claw ripper-edging tool, single blade cutter, kwik cutter, and a vee chisel-spot welder breaker), and carrying case