Usage Tips:Meet Your Assorted Needs: you will receive 30 pieces screw on pool cue tips in , with 2 different sizes, 15 pieces for each size, adequate can meet your daily use and replacement demands, and you can share with your friends, family members and people in need. Satisfy Your Long Term Needs: these pool screw on tips are made of quality plastic, PU leather and brass, and solid, will not or deform , can you for a long time; The surface is to touch, no burr or rough corner, providing you with a pleasant using experience. 2 Sizes to : this pool cues sticks screw tip comes in 2 sizes, which measure . 12 mm/ 0.47 inches and 13 mm/ 0.51 inches in diameter respectively, giving you multiple choices, and you can it according to your actual needs, easy and quick repair billiard cues during and daily. Saving You Time and Energy: the pool cue tip kit is easy to install, simply screw in the replacement ferrules (not included) tightly, without the need for glue or other tools; The operation process is simple and convenient, and 't take up too much of your time or energy. A Wide Range of Applications: these billiard pool cue tips are suitable for pool cues with screw in ferrules, which can be widely applied to game, , home, entertainment place and more; confirm the size of your cue head carefully purchase. Colour: as shown Material: plastic+PU+metal Package Contents: 15 * 13MM club heads 15 * 12MM club heads Only 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.