Quick release plate Velbon QB-157 replacement 

The plate is a replacement for the Velbon QB-157

The base is made of plastic, made with  ABS plastic, the mounting screw diameter: 1/4" metal. (universal for almost all cameras). The bottom has a convenient clamp for clamping the screw. 

Сompatibility for tripods: 

Sherpa 200/250/450/600/750/1000