From the Manufacturer
Bostitch cold chisels and punces are used for cutting and splitting hard stone, brick and concrete. They have a one piece forged construction for increased strength. They are hardened, quenched and tempered for long life and safety. They have a bright powder coat finish for visibility. Set includes: 3/4-Inch Cold Chisel, 5/8-Inch Cold Chisel, 5/16-Inch Cold Chisel, 3/8-Inch Prick Punch, 1/4-Inch Center Punch, 1/16-Inch Pin Punch, 1/8-Inch Pin Punch, 5/32-Inch Pin Punch, 3/16-Inch Pin Punch, 1/4-Inch Pin Punch, 5/16-Inch Pin Punch, and 7-Inch Scratch Awl.