Ti-Pro, a division of the North American Tile Tool Company (NATTCO), now offers professional wheel kits, available in two sizes. The 7/8-inch Carbide Replacement Wheel Kit (PCK2005) is used for all Ti-Pro model tile cutters and is titanium-coated for longer life. The 1/2-inch Carbide Replacement Wheel Kit (DCK1066) is available for all 13-inch model tile cutters.