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 stroke techniques, allowing for quick learning of various cueing methods. Assists players in controlling aim and alignment during practice. The training ball features fine workmanship, with a calibrated and polished surface, 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 for effective skill development during practice sessions. Specifications: Diameter: 5.72 cm 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