Pool Cue Extension Adapter Converter. Radial shaft to 5/16×18 butt Aluminum black 1.75". This adapter converter fits a Radial shaft to 5/16×18 butt (meucci viking qr) Great price, contact your local cue maker to see the price of their adapters. Then compare. Free shipping to USA.

I have 14 other types adapters as shown. Any questions? Feel free to ask