Pool Cue Extension Adapter Converter is a 5/16×18 shaft to 5/16×14 butt Aluminum black 1.75". This adapter converter fits a 5/16×18 shaft ( meucci viking qr) to a 5/16×14 butt. Great price, contact your local cue maker to see the price of their adapters. Then compare. Free shipping to USA. I have other types adapters available. questions? Feel free to ask Length 1.75 inches Weight 1.5 ounces Aluminum
eBay