Unlock the beauty hidden within rough rocks with this 12 LBS Step 1 Rock Tumbler Grit. Designed for the second stage of the rock tumbling process, this medium 60/90grit silicon carbide media effectively smooths and polishes your gemstones, agates, and other rock specimens. The 12-pound bag provides ample grit to refine your rocks, transforming them from dull and coarse to brilliantly smooth and lustrous. With its exceptional abrasive properties, this tumbler grit efficiently removes the deep scratches and pits left behind from the coarse grit stage, preparing your rocks for the final polishing stage. Ideal for both hobbyists and professionals, this rock polishing grit media ensures consistent and reliable results, unveiling the captivating colors and patterns hidden within each stone. Upgrade your rock tumbling experience and bring out the natural beauty of your rock collection with this essential 12 LBS Step 1 Rock Tumbler Grit.