MJR Tumbler Rock Grit Kit for 50 lb Tumblers

50 oz. 60/90 grade silicon carbide grit (Step 1). 50 oz. 120/220 grade silicon carbide grit (Step 2). 25 oz. 500/600 grade silicon carbide grit (Step 3). 25 oz. 1200 aluminum oxide polish (Step 4). 50 oz. plastic pellets.