Ingersoll Rand 3 CFM Air Hammer Kit measures 7" in length has a built in power regulator and trigger control. Alloyed steel barrel hammer with 3 500 blows per minute has a heat-treated piston and has a protective plastic pouch holds a selection of chisels with .401" shank Dia. Hammer kit is ideal for fast cutting action especially for medium exhaust system, panel cutting and general repair work. Hammer kit includes 116 air hammer and 5 assorted chisels such as a punch chisel, a edging tool, a tail pipe cutter, a 3/4" wide blade straight chisel and a cutting chisel.