Si vous avez des questions, veuillez d"abord contacter le service client, n"ouvrez pas de litiges facilement, merci Product Wide Head Tennis Stringing Clamp Racquet Racket Starting Machine Tools Constructed with Stainless steel and plastic, durable, rustproof, and lightweight.Compact & easy to use: spring-loaded flying clamp holds badminton strings firmly without damaging strings, helping you to string badminton rackets more neatly and easily.Allows the clamping tightness to be altered, depending on the string gauge.suitable for tennis, squash, badminton and racquetballSize(LxW): Approx.12.5x3.5cm Wire diameter :12.2mm by default . if you need 12mm, please make a note , when placing the order. thanks . Package Includes: 1 Piece Badminton Stringing Clamp