C.S. Osborne 1/2" Arch Punch With Fully Tempered Cutting EdgeThe C. S. Osborne 1 2 inch Arch Punch Diameter is a high quality tool for making precise holes in leather, rubber, plastic, and other materials. It is forged from the finest special carbon steel and has a fully hardened and polished cutting edge. A unique feature of the Osborne arch punch is the inside taper which permits the punchings to clear easily through the barrel. Punches have fully polished barrel and black enamel handle. The C. S. Osborne