Check the listing for details. 10Pcs 13mm Dia Billiard Pool Cue Stick Screw-on Ferrules Replacement, White. Condition: New. Listed at 13.06 USD. Screw-on billiards cue ferrules can be used with soft cue tips (not included), which are widely used in billiard games, home, entertainment, etc., allowing quick replacement of damaged tips during training and competition. It is a must-have for billiard lovers.SpecificationColor: WhiteMaterial: ABSDimensions: 26 x 13 mm / 1.02 x 0.51 inch (H*D)Ring Hole Diameter: 8 mm / 0.31 inchThread Gauge: M5 x 1mmPacking List: 10 x Pool Cue Stick FerrulesAdvantage1. The pool cue ferrule is made of ABS plastic, which has high hardness and toughness, protects the cue and is durable.2. With screw-on design, you can replace the tips of different sizes according to the ferrule anytime and anywhere without damaging the cue.InstructionPut the pool cue ferrule into the bottom of the cue, select a suitable threaded cue tip and screw it into the ferrule to use.