Wilson part number WRZ 748400, Excellent swivel clamp suitable for the Baiardo and Baiardo LIte machine only, fast and easy to lock/unlock, made of Steel gripper plates with 4 teeth with non slip coating for extra durability. Can be used for stringing tennis, squash and badminton rackets without string damage. Weight 500 grams. 5 years guarantee. Two swivel clamps in stock. ( no longer available from Wilson ). Price include 20% vat.