This 12mm punch is a great tool for removing the wrist pin on Parilla Mini Swift pistons. It's reliable and efficient for the job.

To use this piston wrist pin punch, first, make sure the piston is properly positioned. Insert the 12mm punch into the relevant part of the piston where the wrist pin is located. Then, gently tap the punch with a hammer to remove the wrist pin. When using, always wear safety goggles to protect your eyes from any flying debris. After each use, clean the punch with a dry cloth to prevent rust. Store it in a dry place. If you notice any damage to the punch, don't use it and replace it immediately.