Description: 【Training Tool】: Enhance your billiards skills with this billiards cue training device, designed to demonstrate the relationship between the cue ball and target ball for improved accuracy 【Scientific Aiming Method】: Learn and master scientific aiming techniques with a visual demonstration of common billiard angles, helping you to understand and apply accurate aiming points 【Comprehensive Visual Training】: Familiarize yourself with various angles in billiards through detailed visual training, allowing you to accurately identify and aiming at the correct points on the table 【Quality Acrylic Material】: Made from acrylic, this Billiards training aid is built to withstand regular use while providing clear visibility of angle demonstrations for effective practice sessions 【Compact Design】: With dimensions of 18x18cm, this training tool is conveniently sized for easy handling and storage, making it an essential addition to any billiard enthusiast's toolkit Specification: Material: Acrylic Size Chart: 18cmx18cm/7.09inchx7.09inch Package Includes:1 Billiards Stroke Trainer Note: Please allow slightly errors 1-2cm differences due to manual measurement.