8in Solid Ceramic Flat Lap Faceting Polishing Lapidary Disc 3/8 Thick 1/2 Arbor Posted on July 16, 2026 Commonly Used for Faceting. Commonly Used for Lapidary Work. 1/2″ Arbor Hole. 8″ Solid Ceramic Polishing Flat Lap Disc. Flat Lap Design. Commonly Used for Polishing. Solid Ceramic Construction.