2 inch Dry Polishing Drum Wheels are used to polish inside radius of undermount sink holes. They are much easier than diamond flexible polishing pads to use when polishing inside radius. With 5/8-11 thread or M14 thread, dry diamond drums sink polishing wheels can fit most polishers and variable speed handheld grinders. There are 7 different grits including Grit 50 100, 200, 400, 800, 1500, 3000.
