Description: Material: The billiard cue ferrule is made of stone material, which is sturdy and not easy to breakHigh Performance: Specifically suitable for large head cues and French cues. Note: that it is not recommended for small head cues as they may crack easilySize: Outer diameter 14mm, length 10mm, inner diameter 7.5mm. making it ideal for cue sticks with a wooden core diameter smaller than 7mmEasy To Install: Easy to apply to the club head, screw it on, no complicated steps requiredReplacement Parts: A great replacement part for your snooker pool rod, a great and useful tool accessory Specification: Material: Stone Size Chart: Outer Diameter: 1.4cm/0.55inchLength: 1cm/0.39inchInner Diameter: 0.75cm/0.30inch Package Includes: 1Billiard Cue Ferrule Note: Please allow slightly errors 1-2cm differences due to manual measurement.