Product Description
The STSC-3 is a 3 oz (84g) Stainless Steel Balancing Clamp, 5/8" throat size. This is made of 303 stainless steel with allen cup point set screw size 1/4-20 x 3/4" SS.
Allen wrench size 1/8" fits this screw.
Screws and Allen Wrenches can be purchased here