Quantity: each package includes 30 Pieces 12mm screw-on tips, enough to meet your daily replacement and use Size: the tips are 12 mm/ 0.47 inch in diameter, proper size for most sticks, Suitable for pool cues with screw-in ferrules Good quality material: the tip is made of leather durable and sturdy, Wear-resistant, can be used for a long time Easy to use: you have to do is screwing on a replacement tip to make a quick pool cue repair during a billiard game Screw diameter: 4.5 mm/ 1.77 inch size:Diameter 12mm Material:Red leather colour:Black + brown Package Contents: 30 x Billiard Cue Tips Only the above package content, other products are not included. Note: Light shooting 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.