Wide head designs with three springs provide a large clamping force, making the tool suitable for badminton and tennis rackets. The clamp is a tool often used in threading work, and this tool can hold the racquet line securely during stringing or adjustment. Made from alloy materials, it offers durability, strength, and a long service life, with an easytograsp feel. The clip spring is bright, and the chuck is subbright and does not hurt the racket line, helping protect strings during use. Function and compatibility: designed for securing racket strings during restringing and related tasks on badminton and tennis rackets. Material and performance: alloy construction for enduring performance, robust clamping, and longlasting reliability; easy handling for precise work. Use scenarios: 1) Home or restringing of badminton or tennis rackets, where secure string hold is required during threading. 2) String inspection or maintenance tasks, using the tool to clamp strings without causing damage while tying or cutting. 3) Hobby or smallscale production tasks involving racket string work, providing stable string hold and protection of the racket line.