Description: 【Sturdy Metal Construction】: The Fixed Clamp Clip for Racket Stringing Machine is made from sturdy metal for reliable, long term performance in securing rackets during stringing 【Precision Spacing】: The U Clamp for Tennis Racket Stringing Machine features a 1.8 cm/0.71 inch center to center post distance, ensuring compatibility with both tennis and rackets 【Upgrade or Replace】: The U Shaped Clamp for Tennis Racket Stringing Machine is ideal for replacing worn out or outdated parts on your stringing machine, extending its using time 【Optimized Clamping & Design】: The Fixed Clamp for Racket Stringing Machine delivers even, symmetrical pressure and a smart groove design for better frame clearance, improving efficiency during stringing 【Universal Compatibility】: The U Shaped Clam for Racket Stringing Machine works as a professional accessory for most and tennis racket stringing machines Specification: Material: Metal Size Chart: Column Center Distance 1.8 cm/0.71 inch Package Includes: 1 Fixed Clamp Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.