A must have tool for the home mechanic or for a professional mechanic shop. This tool helps remove and install the piston pin (gudgeon/wrist pin) an easy task without damaging your piston. Easy to use with four different sized adapters to suit a range of motorcycle or car pistons. Helps remove and install the piston ring (gudgeon/wrist pin) without damaging the piston Reverse thread Heavy duty construction (Due to different batches, different shooting angles and lighting, there are slight differences between the actual product and the picture, which will not affect normal use) Four (4) adapters to suit a range of piston pins 13mm 16mm 19mm 22mm Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Please allow 1-3mm differences due to manual measurement. Due to different computer screens, the color of the actual item may be slightly different from the listing image, thank you for your understanding. Color: yellow Material: Metal Package Contents: 1 Piece * Piston Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.