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 strike points, allowing for quick learning of various cueing techniques. The trainer is designed to assist players in controlling shot lines and ball positioning. Featuring fine craftsmanship, the billiard ball is calibrated and polished for accurate performance during practice. Suitable for American-style pool games such as eight-ball. The pool cue ball is lightweight and compact, making it easy to carry and convenient to use. This billiard cue ball is precisely calibrated and polished to support effective skill development in billiards. Specification: Diameter: 5.72cm Weight: 170g ± 5g Material: Resin Notes: 1. The actual color of the item may vary slightly from the images 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