This billiard training ball is an excellent addition to your pool table accessories. Designed with a through-hole, it helps players focus on their stroke technique, ensuring better accuracy and control. suitable for both snooker and pool, this training device is a must-have for anyone looking to enhance their billiards skills. Features -Color:Multi -Material:Resin -Size:5.72X5.72X5.72cm/2.25X2.25X2.25in -Aperture: 17mm -Throughhole accuracy: the unique design helps in precise cue strikes, improving overall billiard skills -Comprehensive training: suitable for snooker, , and multiple billiard training methods -Posture and force correction: helps refine striking posture and force, enhancing shotting accuracy - construction: made to endure frequent use without diminishing the cue's lifespan -Portable and convenient: compact size and lightweight nature make it easy to transport and store for anytime practice Package list: 4 x billiard cue ball