Use this kit to upgrade your existing 4″ SOFT-STONE lapidary kit to a HARD-STONE Lapidary Kit. This will give you added POLISHING ability for harder stones such as: agate, quartz, sapphire, ruby, etc. Also works great for removing scratches from Watch Crystals, Waterford Crystal, etc. The necessary Abrasives, Backpads and Cushion Pads are INCLUDED.
– 4 x 4inch diameter Backpads
– 4 x 4inch diameter Cushion Pads
– 1 x 3000 Grit 3M Premium Diamond Abrasive
– 1 x 8000 Grit 3M Premium Diamond Abrasive
– 1 x 50000 Grit 3M Premium Diamond Abrasive
– 2 x 3M Cerium Oxide Abrasive (0.25 Micron grade)