The listing is for 1 set pool cue compatible predator bumper extension kit. Extension Pin installation thread: 5/16-14 Extension Pin thread: 5/16-14 Quick Release Aluminum body - M16x1.5 thread. you may need a 1/8" hex wrench to tighten the bumper if you required. Bumper weight without pin: 12gram / 0.42oz Stainless Steel / Silver Aluminum / Black Aluminum / Gold Aluminum / Red Aluminum / Green Aluminum, select the color you need in variation. |