N2 Razor-X® blades are manufactured with alloy steel that increases the hardness & extends the life of the blade. Requires (3) for 42" cut Husqvarna. Fits EZ 4216, 4217, 4220, 4624, 4822, 4824, 5224, 5226, RZ4219F/R, RZ4222F & YTH series with 42" deck.
Replaces Husqvarna #(s) 539 11 20-78.
•Length: 14-5/8"
•Width: 2-1/2"
•Center Hole Diameter: 5 Pt. Star
•Thickness: .197"