Westward 2AJE6 Long Drive Pin Punch The flat tip of these pin-removing punches provides a uniform strike to install new, solid pins and remove old ones. Also known as drive-pin punches, they distribute the striking force across the pin head to knock out frozen or damaged pins and rivets. Measurement Type / SAE Overall Length / 8 inch Punch Type / Drive Pin Punch Shank Shape / Hexagon Shank Width / 3/8 inch Taper Length / 4 inch Tether Ready / No Tip Diameter / 3/16 inch Tip Type / Flat