The end of the bit is made of leather and the brass screw allows the bit to be tough and have excellent durability. (put these cue tips in a plastic box, easy for you to store and use them in case of missing, also convenient for you to carry in daily life) Simple to use, the process can be changed quickly and easily on your billiard cue / rod. You will no longer be interrupted during a game. The process support (billiard cue ring) must be screwed. Billiard mouthpiece with screwing screw-on processes, it is more convenient to change the top of the pool table. Quick and easy repair Essential products for people who play pool or snooker a lot, provide as a replacement for the pool cue with screw-in tips, help you make a quick repair during a game Wide Application: Billiard mouthpiece is very suitable for billiard halls, suitable for professional players, suitable for billiards, snooker and cue ball control games. Made of leather, can provide long-time service, let you control the ball easily, Make quick repair during a game with the screw-on tail tips. Easy to replace and install with the screw-in bits. Material: leather and wood Our billiard accessories include 20 billiard points, the tip measures 10 mm/ 0.4 inch in diameter, the screw measures 4 mm/ 0.16 inch in diameter, general size for you to use essential products for people who play a lot of pool provide as replacements for pool cue with screw on tips, help you make a fast repair during a game Quantity: 20 pieces of cue tips and 1 piece of storage box Color: brown benchmarks (as picture show)