Quantity: each package includes 30 Pieces 12mm screw-on tips, enough to meet your daily replacement and useSize: the tips are 12 mm/ 0.47 inch in diameter, proper size for most sticks, Suitable for pool cues with screw-in ferrulesGood quality material: the tip is made of leather durable and sturdy, Wear-resistant, can be used for a long timeEasy to use: you have to do is screwing on a replacement tip to make a quick pool cue repair during a billiard gameScrew diameter: 4.5 mm/ 1.77 inchsize:Diameter 12mmMaterial:Red leathercolour:Black + brownPackage Contents:30 x Billiard Cue TipsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.