Lapidary Shop › 100 Grit-Diamond Lap Discs w/Backing Plate - 8 inch (IN STORE ONLY) Image 1 of 1 100 Grit-Diamond Lap Discs w/Backing Plate - 8 inch (IN STORE ONLY) $55.00 Diamond Lap Disc w/Backing Plate 8 inchGrit Size:100 Purchase Added! Diamond Lap Disc w/Backing Plate 8 inchGrit Size:100 Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More