Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the HXT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. OEM. XHT blades also offer greater impact toughness.
(2) blades for 36" cut.
(3) blades for 52" cut. Fits Husqvarna Estate Series model ES5221.
Center Hole: 5 point star
Length: 18"
Thickness: .187
Type: Low Lift
Width: 2-1/4"
