[Material]:The billiard cue ferrule is made of stone material,which is sturdy [Size]:Pool cue stick ferrule with outer diameter 15mm,length 25mm [High Performance]:The pool cue ferrule is compact,portable,lightweight,and long service life [Note]:This billiard cue stick ferrule is not a finished product,it requires processing to fit your pool cue [Replacement Parts]:A great replacement part for your snooker pool rod,a great and useful tool accessory