Lortone Rock Tumbling Abrasive and Polish Kit metal Pre-Polish (Aluminum Oxide) - peparing

Pre-Polish (Aluminum Oxide) - peparing smooth stones for final polish - 12 oz

but you'll need to pick up some grit and polishing compound

Many 3A kits found online are after market kits that use a 3A

Includes organics - amber

Respected author of several books in the Gem Trails series

Lortone Rock Tumbling Abrasive and Polish Kit metal Pre-Polish (Aluminum Oxide) - peparingThis rock tumbling grit pack from Lortone includes coarse and medium fine abrasives, as well as pre polish and polish, in convenient resealable, wide mouth plastic jars. Course (60 90 grit Silicon Carbide) grinding and shaping rough stones 16 oz Medium Fine (120 220 Silicon Carbide) smoothing surface after initial shaping 14 oz Pre Polish (Aluminum Oxide) peparing smooth stones for final polish 12 oz Polish (Ultra fine Aluminum Oxide) final polish of