GAMMA Sports Tension Calibrator for Tennis Stringing Machine & Badminton Compatible with All Machines, Tests up to 90 Pounds of

Universal Compatibility: Designed to work seamlessly with all stringing machines, this tension calibrator is a must-have in your collection of tennis stringing machines & tools. Accuracy Check: Ensure the precision of your tennis racket stringing machine. This tension meter allows you to check the stringing machine accuracy, offering reliable performance. Broad Range Test: Test up to 90 pounds of tension with ease. Ideal for checking the tension on a gamma stringing machine or a badminton string machine. User-Friendly Design: Features a string on both ends for testing tension, making it a versatile addition to your tennis stringing machine tool kit. It's the ultimate tennis string machine accessory. High-Quality Tension Meter: This tool provides accurate and consistent readings for your tennis stringing machine, making it an essential part of your stringing machine toolkit.