Description: 【Material】: This billiard beginner aiming practice device is made of high-plastic material, ensuring durability and long-lasting use. 【Product Dimensions】: The product measures 91mmx58mm, a perfect size for easy handling and convenient use during practice sessions. 【Package Contents】: Each package contains 2 pieces of aiming practice device, providing great value for your purchase. 【Ideal for Beginners】: This product is specifically designed for beginners in billiards, helping them improve their aiming skills effectively. 【Easy to Use】: The practice device is easy to install and use, making it a perfect tool for those who are new to the game of billiards.   Specification: Material: Plastic Size Chart: 91mmx58mm/3.58inchx2.28inch Package Includes: 1 Billiard Stroke Exerciser(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!