A 5 step rock tumbler grit kit for 20 pound tumblers. The kit consists of 20 ounces of 46/70 silicon carbide very coarse grit, 16 ounces of 60/90 silicon carbide coarse grit, 15 ounces of 120/220 silicon carbide medium grit, 10 ounces of 400F silicon carbide fine grit, and 10 ounces of micro alumina polish. These kits are ideally suited for rotary rock tumbler operation. Formulated for tumbling very hard rock. These kits are shipped free via USPS Priority Mail to all USA ZIP codes. The foreign shipping weight is 5 pounds. Pictured in natural sunlight.