Prevents Slipping, Marring When Using Barrel Vises/Wrenches
Pure, ground rosin offers the gun man a product that performs superbly as a Grabbing Agent. A small amount of rosin in vise jaws, holding fixtures, or barrel vise bushings will prevent slipping and reduce the possibilities of marring.
Big Book Catalog, Issue:70, Page:453
SPECS: 1 lb. (453g) net weight, plastic, screw-top jar.