The SC-75 is a 0.75 oz (21g) Steel Balancing Clamp, 5/16" throat size. This is made of 12L14 steel with allen cup point set screw 8/32 x 1/2".;
Allen wrench size 5/64" fits this screw size.
Screws and Allen Wrenches can be purchased here
Posted by Operations Manager on 4th Jan 2019
I've been buying these c-clamp balancing weights for years to perform field trim balancing of the rotating equipment we manufacture. They are top quality and very accurate.