Features: Make from with Coppers and PU Leather, ensuring perfectlycontrol while providing durability for long term use. Screw thread of our pool cue Tip provides additional protections during gameplay. Easy to Use. Just screw in the replacement ferrules tightly. Convenient to fast repair or replacement during game, saving time. Our pool cue Tip is compacts and portable, making them easy to apply to the rod head. Specifications: Materials: Coppers Diameter: 10mm (0.39inch)/11mm (0.43inch)/12mm (0.47inch)/13mm (0.51inch) Package Includes: 10pcs/set Billiard Pool Cue Tip note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.