If you are working with metal, the Mayhew Select 70209 Cold Chisel is a must-have. The cold chisel has a shot blasted finish and is made of steel. It has a hexagonal shank measuring 1/2 in. in diameter. Its tip measures 5/8 in., while its overall length is 6 1/2 in. If you need to cut or shape metals, this Mayhew Select 70209 Cold Chisel will get the job done for you.