Check the listing for details. 6" inch 150 mm Grit 600 Diamond Flat Lap Disk Grinding Disc Wheels Stone Tools. Color: Silver, Condition: New. Listed at 13.50 USD. JINGLING 6 inch Diamond Coated Flat Lap Disk Grinding Wheel Grit 600 (Fine)Product Specification: Product Name: 6 inch diamond grinding wheel, diamond lapidary discs, diamond lapping discOutside diameter: 6" inch (150mm)Arbor hole: 1/2" (12.7mm)Thickness: 0.04" (1mm)Grit: 600Grit type: Fine Diamond coating density : Perfectly highDiamond coating surface area : almost 95%, only one side is coated diamondWet use recommendedWhen used as part of a multi-stage grinding and polishing process it's easy to create smooth finished edges with a professional look Suitable to grinding gemstone, jewelry, glass, rock, ceramic, carving knife, etc. These diamond discs are one of the finest discs manufactured for Hobby, Lapidary, Glass applications The diameter flat lap wheels have a high density quality diamond coating They are absolutely flat and parallel to meet the most exacting faceting requirements. Quick Tips 1. Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required. 2. All our flat laps wheels have a 1/2" arbor hole and are intended to be mechanically clamped to a Master Lap. 3. The laps are made with 1mm thick steel plate that has been machined true and flat. The lap is stiff enough to be used as is, but we recommend with the use of 6 in Aluminum Master Lap. Also Available in Grits 60, 80, 100, 120, 150, 180, 240, 320, 400, 600, 800,1000, 1200, 1500, 1800, 2000, 3000. We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware.