Two for £100.
Swivel clamp with Cam roller under handle for fast and smooth lock / unlock operation, gripper plates made of Anodised Aluminium with non slip coating, 5 teeth, 32 mm wide for excellent tension hold with no string damage. Pin diameter 11.94 mm, will fit most base locks with 12 mm holes. Swivel clamp height 13.50 mm, Weight 300 grams. Can be used for tennis stringing as well. Including suspension spring on pin. Made in Taiwan with 5 years guarantee.