Thumlers Tumbler Rock Polishing Abrasives Grit Media: Includes 4 oz. coarse grit, 4 oz. fine grit, 2 oz. polish, and 2 oz. of pre-polish For use with our Thumler's Tumbler Rock polisher Includes 4 oz. coarse grit, 4 oz. fine grit, 2 oz. polish, and 2 oz. of pre-polish Total Weight: 14 oz.