Dasco Pro 1/16" Point 1/2" x 4-1/2" Pin Punch is a high-quality tool made of heat-treated, high carbon American steel. It is machined to exacting standards and has a wide variety of uses in driving and removing such things as pins and keys, after initial removal by a machine punch or starter. Use a pin punch one size smaller than the pin being driven to prevent damage to the side walls containing the pin.