The Drill Doctor 180 grit diamond sharpening wheel is ideal for sharpening high-speed steel, cobalt, and TiN-coated twist and masonry bits. The 180 grit wheel can also be used to sharpen carbide bits, but we recommend the Coarse Diamond Sharpening Wheel if you sharpen carbide bits regularly. Direct replacement for the sharpening wheel that comes standard with models 350X, XP, 500X, 750X, and SB. ⚠ Not for Sale in Quebec Due to compliance requirements outlined in Quebec's Bill 96, this product is not authorized for sale or shipment into the province of Quebec. The product packaging, user manuals, and/or product labeling do not meet the French language requirements for Quebec as mandated under current regulations.