Features: The billiards training assistant is made of high-quality resin material with excellent impact resistance and wear resistance, ensuring durability and long-term use. It helps users easily master high, middle, and low cue ball striking points, allowing for quick learning of various shot techniques. The trainer is designed to assist players in controlling standard alignment lines and ball positioning. Featuring fine workmanship, the billiard ball is calibrated and polished for accurate performance during practice. Suitable for American-style pool games, including 8-ball. The pool cue ball is lightweight and compact, making it easy to carry and convenient to use. This billiard cue ball is precision-calibrated and polished to support effective skill development in billiards. Specification: Diameter: 5.72 cm Weight: 170g ± 5g Material: Resin Notes: 1. The actual color of the item may slightly differ from the pictures shown due to factors such as monitor brightness and lighting conditions. 2. Please allow slight variation due to manual measurement. Includes: 1 x Durable White and Red Resin Billiards Training Ball