HR GROUP It is used for repairing billiards /snooker pool cue tips. It stable keeps the cue tip in place without marring the tip when you repair or replace the old on. Pool Cue diameter: suitable for 11.5mm and 11.75 mm cue stick. Professional and durable Affordable, practical, easy to carry, a good helper of billiards lovers! Specification:- Materials:-Length: Approx.12.5cm/4.92inch Package Includes:- 1Pieces Snooker/Pool Cue Tip Clamp Note:-The size is measured by hands, please allow minor error of measurement, thank you