Cuetec 3/8" x 14 Standard Joint Protector for Billiard Cue Protects the Joint of your cue from damage caused by dust, dirt, and debris that may accumulate on the pin or shaft. Features: ? Protects the collar, joint, and pin ? Extends the overall life of your cue ? Works with Cuetec Cues and other cues with a 3/8" x 14 joint ? Does not work on cues with Quick Release joints * Protects the pin and the joint end from damage caused by dust, dirt, and debris. * Fits all 3/8" x 14 Joints (Will not work for Quick-Release joints) * Easy To Use! The Cuetec Joint Protector is made to protect the essential parts of your cue to extend the overall life. Even if you store your cue in a good case, the collar, joint, and pin are still exposed to damage. The Cuetec Joint Protector will protect these essential parts. Works with Cuetec cues and other cues with a 3/8" x 14 joint (does not work with Quick Release joint).