W.R. Cobb Yellow & White Gents Counter-Loc Ring Guards - Packs of 12  Polishing Equipment These posts are not compatible

These posts are not compatible with Guardian II nuts model 21B-304MAIN

and supports multiple weighing units for jewelry

NTEP evaluations reference NIST Handbook 44

Part # Metal Type 951-228 14K White Gold 9501-228 14K White Gold Head / 14K Yellow Gold Shank 95B-228 Platinum

5x Lens) 65

W.R. Cobb Yellow & White Gents Counter-Loc Ring Guards - Packs of 12  Polishing Equipment These posts are not compatible"Gents" sized Counter Loc ring guards designed to quickly reduce ring size on shanks from 47 mm (0. 160. 28 in) in diameter. The counter lock design wraps one prong in each direction around the shank for a secure, balanced hold. A reliable, professional solution when fast, temporary size reduction is needed. Features Fits ring shanks from 47 mm (0. 160. 28 in) Counter Loc design one prong wraps each direction for a secure, balanced hold Quick, non