Ceramic Belts last much longer than Aluminum Oxide or Silicon Carbide belts. 6 or 12 Pack of 1x42 belts that will fit any standard 1x42 belt sander including the Harbor Freight, Wen, Delta, Kalamazoo models. You'll see professional results and a superior finish. Flexible cloth backed ceramic belts contour to materials, perfect for sharpening a convex edge or for curved or irregular surface. Available in range of grits. These belts cost a bit more but save the time and headache of having to constantly evaluate results and change out belts.