Herdim Hand-Forged Repair Clamp, Jaw Depth 85 mm, 40mm Opening. This traditional clamp is designed for the repair of musical instruments, and is excellently suited to the construction of models thanks to their compact size. Forged by hand, the steel frame is built to withstand the hard knocks of everyday use in the studio, and have galvanized surfaces that are particularly easy to clean. Smooth-running brass spindle with knurled knob and steep thread. Ball-jointed pressure plate with removable rubber coating. Special silicone pads are available as accessories to protect varnished surfaces.