Westward Punch 2AJF5 Pin-loosening punches are used to remove pins with the help of a pin-removing punch. They are also referred to as starter punches and have a tapered tip that provides accurate control for positioning the punch to loosen pins. This helps reduce the bending of the punch and minimizes damage to surrounding surfaces. Measurement Type / SAE Overall Length / 6 inch Punch Type / Starter Punch Shank Shape / Hexagon Shank Width / 3/8 inch Taper Length / 2 inch Tether Ready / No Tip Diameter / 3/16 inch Tip Type / Flat