1、Aluminum Alloy Clamp Tool: Starting stringing clamp offers high strength and durability with premium alloy construction. Suitable for any size of badminton net and any tension level. 2、Improved Tension Maintenance: Badminton racket clamp features 3 springs to better retain tension. The spring clamp can be used as an extra starting clamp or for pulling tension on short strings. 3、String Friendly Design: Badminton racket stringing tool won't damage strings, and the wide head prevents hand injuries when tying knots, safe and functional. 4、Essential Tool for Tennis and Badminton Rackets: Starting clamp tool is a must have for any tennis racket. It can be used to repair or extend the too short badminton strings by adding a segment of string as an extension. 5、Comfortable Grip: Badminton racket stringing tool with rubber handle provides gripping power and comfort. The starting thread clamp tool can be used to repair rackets that are too short when knotted. Item Type: Badminton Tennis Racket Stringing Tool Material: Aluminum Alloy + Rubber 1 x Racket Stringing Tool