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6" inch 150 mm Grit 100 Diamond Grinding Disc Abrasive Wheel Coated Flat Lap Disk Jewelry Tools for Gemstone Glass Rock Ceramics sold2025 4mm NozzleSilicone SockHardware kit Read6" inch 150 mm Grit 100 Diamond Grinding Disc Abrasive Wheel Coated Flat Lap Disk Jewelry Tools for Gemstone Glass Rock Ceramics JINGLING 6 inch Diamond Coated Flat Lap Disk Grinding Disc Grit 100 Coarse Product Name: 6 inch diamond grinding wheel, diamond lapidary discs, diamond lapping disc Outside diameter : 6" inch (150mm) Arbor hole : 1 2" (12. 7 mm) Thickness : 1. 2 mm Grit : 100 Grit type: Coarse Quantity: 1 Piece Diamond coating Density :