QEP 21125 QEP Tungsten-Carbide, Tile Cutter Replacement Wheel for Models 10630 and 10900, 7/8-Inch,  Titanium-Coated Tile cutter replacement scoring wheel for porcelain and ceramic tile Titanium coating helps maintain a sharp scoring edge Tungsten carbide construction provides strength and durability Original equipment replacement part for models 10630 and 10900 Replacing a worn cutting wheel helps return cutters to like-new performance