Xht -Bob Cat Non-Notched 112111-01 XHT (Xtreme Hardness & Toughness) blades feature a unique steel that incorporates boron, carbon, manganese, and other materials that ensure its strength. The blades are heat treated with the patented and independently tested Marbain heat-treating process. This process makes the blades 25% - 40% harder than standard lawnmower blades, making them the longest-lasting, safest, and most impact resistant lawnmower blades on the market.Standard non-notched version matches OEM direct replacement. (2) blades for 32" cut. (3) blades for 48" cut. Fits XM series.    Application: Standard    Center Hole: 5/8"    Length: 16-1/4"    Replaces: 112111-01    Thickness: .197    Width: 2-1/2" Bobcat Riding Mower XM SERIES
