Billiard Carbon Extension for ADAM MUSASHI - 1 piece set Includes 1 weight bolt bumper Brand new, unused This product is CNC (Computer Numerical Control) machined and features an aluminum alloy joint screw. Unlike other extension screws, it is not fixed with plastic or adhesive, ensuring a more secure and stable fit. 21cm Weight bolt bumper: Length: 7cm Weight: 18g Tighten securely with a hex wrench. Compatible with HOW, MEZZ, PREDATOR, PERI, JFLOWERS, and MUSASHI. Multiple items in stock.