The Genuine Factory Parts 46 in. XTREME Mulch Blade Set is for Xtreme mulching and bagging performance. The unique blade has additional cutting surfaces that help chop grass clippings finer than with standard blades. You'll also be able to keep mowing with fewer stops as the smaller grass clippings pack more efficiently in the bag. Genuine Factory Part blades are original equipment blades for CRAFTSMAN, CUB CADET and TROY-Bilt. Designed for precise fit and optimal performance, you can have confidence that they are going to provide you the cutting performance you need and expect from your rider and zero turn mower.. Replaces 490-110-C203, CMXGZAM110203 and 490-110-Y203. Original equipment part for blades 742P05510-X and 742-05510-X. Blade has a S-Shaped center hole pattern, 2 blade set. Features: No Additional Features. Fits Brands: Craftsman,Cub Cadet,Troy-Bilt. Fits Deck Size (in.): 46 inches. Fits Models: Cub Cadet, Troy-Bilt or Craftsman Riding Mowers and RZT's with 46 in. Decks with S-Shaped Center Hole. Used with Equipment Type: Riding Mower,Zero Turn Mower. Blade Length (in.): 46 in. Product Depth (in.): 24 in. Product Height (in.): 1.25 in. Product Width (in.): 2.75 in