Check the listing for details. 5'' inch Diamond Grinding Disc Grit 120 Arbor 5/8'' Flat Lap Disk Lapidary Tools. Condition: New. Listed at 12.80 USD. 5" inch Electroplated Diamond Coated Flat Lap Disk Grinding Disc Wheel Grit 120 Coarse Product Name: 125mm Diamond grinding disc, Abrasive Wheels Discs, Diamond disc, Diamond Disks, Diamond Grit Flat, Diamond Lapping Disc Outside diameter : 5" inch (125mm) Arbor hole : 5/8" (16mm) Thickness : 1-1.2 mm Grit :120 Coarse Diamond coating Density : Perfectly high Diamond coating surface area : almost 90%, only one side is coated diamond Quantity:Only 1 Piece Wet use recommended Suitable to grinding seal carving knife, gemstone, jewelry, glass, rock, 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 5/8" arbor hole for Angle Grinder. Also Available in Grits 60, 80, 100, 120, 150, 180, 240, 320, 400, 500, 600, 800,1000, 1200,1500, 1800,3000. Welcome to Visit My eBay Store:Jewelry Tools 1