- Unique Concentricity Calibration: Easily ensure the straightness of your billiard shots with our innovative calibration design. Simply rotate the landmark axis to detect any tremors, making it user-friendly for players of all skill levels. - Durable Construction: Crafted from high-strength acrylic material, this billiard checker is designed for maximum durability. Resistant to wear and deformation, it provides reliable performance over extended use, ensuring it withstands the rigors of frequent play. - Enhanced Accuracy: Elevate your game with our pool straightness checker. It guarantees that your shots are perfectly aligned every time, making it an essential tool for billiard enthusiasts and players of other precision-based sports. - Lightweight and Portable: This billiard table accessory boasts a compact design that is easy to store and carry. It fits seamlessly into any signature bag or toolbox, allowing you to take it anywhere and ensuring convenience when you need to practice or play on the go. Use Cases: - Ideal for practice sessions to refine your shot alignment and improve overall game performance. - Perfect for tournament preparation, ensuring that your equipment meets the highest standards of precision before competitions. - Great for coaches and instructors to demonstrate proper techniques and offer instant feedback on students' performance.