Grit and Media - Graves Company
Graves 1-2-3 Grit Kit SKU: 15-010 Contains all the necessary ingredients to grind and polish up to 21 pounds of rock. Included in the kit is 11/2 lb. of 60/90 Grit Silicone Carbide for grinding, 1 lb. of 120/220 grit Silicon Carbide for pre-polishing and 6 oz. of Aluminum Oxide for polishing.