Product Description
The STSC-5 is a 5 oz (140g) Stainless Steel Balancing Clamp, 3/4" throat size. This is made of 303 stainless steel with allen cup point set screw size 1/4-20 x 1" SS.
Allen wrench size 1/8" fits this screw.
Screws and Allen Wrenches can be purchased here