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.
(2) blades for 42" cut. Fits Time Cutter Z.
Center Hole: 5/8"
Length: 21.675"
Thickness: .160
Type: Medium Lift
Width: 2-1/4"
