Description: 【Premium Material】: The starting clamp is made of high quality zinc alloy and steel, high strength, strong and durable. 【Design】: Starting Stringing Clamp Tool for Tennis Badminton Racket, an essential tool for any tennis racquet. 【Easy to Use】: The tennis racket starting clamp won't damage the string, wide head avoids hurting hands while tying the knot. 【Features】: 3 spring to help better to maintain tension, Spring grippers can be used as an extra starting clamp or for pulling tension on short strings. 【Comfortable Grip】: Badminton racquet racket stringing tool, the handles provide grip and comfort. Great accessories for stringing. Specification: Material: Zinc Alloy, Steel Size Chart: Starting Clamp: 14cmx7.5cm/5.51inchx2.95inch Extension Cord Length: 1m/100cm/39.37inch, Fold 0.5m/50cm/19.69inch Wire Diameter: 0.13cm/0.05inch Package Includes: 1 Starting Clamp 1 Extension Cord Note: Please allow slightly errors due to manual measurement and different monitors.