Features: Enhances your billiards skills with this cue ball designed for practicing strokes accuracy and aiming precisions. Features a unique perforated design that billiards training tool in improving your backhand technique and overall control during play. Make from Resin, ensuring long term use and resistance to wear, providing a reliable training experience. Comes with a rings base that allows you to easily observe the ball's movement and alignment. Specifically to meet the needs of billiards enthusiasts looking to refines their skills and enhances their game performances. Specifications: Component: Resin Type: A with targets Ball/B with targets Ball Hole Diameter: about 17mm/0.67inch Package Includes: 1pc Billiards Cue Ball with Hole 1pc targets Ball 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.