iGAGING Chrome Hook Rule

Rigid ¾” wide hook rules, made from 5/64″ thick satin chrome-plated hardened stainless steel, etched and black filled for readability.One face has 1/8″ and 1/16″ divisions, the other 1/32″ and 1/64″ divisions.Hook the lip over the edge of your board, and you get an exact measurement each time. The hook is removable.