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This pack of 4 quality abrasives allows you to give a professional polished look to up to 14lbs. of rocks.
Use this 4 step method for your basic rock tumbling.
Step 1: Coarse - 60/90 Grit Silicon Carbide for initial grinding and shaping of rough stone (you get a 12oz container)
Step 2: Medium/Fine - 120/220 Grit Silicon Carbide for smoothing stone surface after initial shaping (you get a 14oz container)
Step 3: Pre Polish - Aluminum Oxide to prepare stones for final polish (you get a 1lb container)
Step 4: Polish - Ultra-Fine Aluminum Oxide for final polishing on pre-polished stones (you get a 1lb container)