The Mayhew Pro 10402MAY Cape Chisel is a flat chisel designed for cutting flat grooves for keyways or slots. The black oxide finish gives the chisel a distinctive look, while also protecting it from rust and corrosion. With a hex size of 3/8 in., this steel chisel has been designed to be used with any wrench. Its length is 5 5/8 in., and its tip size is 1/4 in.. This Mayhew Pro Flat Chisel will get the job done quickly and efficiently.. This item has been restricted from sale in the following state (s): []