4 LBS Rock Tumbler Grit Set 4 Step Tumbling Media

Kit Includes: Step #1 60/90 coarse silicon carbide grit (1.2 lb.), Step #2 180/220 medium silicon carbide grit (1.2lb.), Step #3 500 fine silicon carbide (0.8lb.), Step #4 1500 aluminum oxide polish (0.8 lb)We provide quality after-sales service and technical guidance so that you can make shining Yuhua stone. The shiny effect is much better than other similar products on the market.YHAspace is a professional company that offers high quality Rock Tumbler Grit and Polish Refill Kit.The Silicon Carbide we sell is 99% pure. The purity of Aluminum Oxide is 99.5%