The Campbell Hausfeld 4-piece air chisel set contains the four most common chisel designs: bushing chisel, weld buster, ripping splitter and tapered punch. Forged from carbon steel and heat treated for extra strength, these chisels have 0.401 Parker taper shanks and are designed to be used with any Campbell Hausfeld air hammer. Set includes a bushing chisel, weld buster, ripping splitter and a tapered punch Standard .401 Parker Taper Shanks Chisels are forged from carbon steel and are heat treated for extra strength. Shipping Dimensions Length : 3.78 ; Shipping Dimensions Width : 0.75 ; Shipping Dimensions Height : 10.75 ; Cube FT : 30.48