N2 Razor-X® blades are manufactured with alloy steel that increases the hardness & extends the life of the blade. Requires (3) for 48" cut AYP & Husqvarna. Mulching blade.
Replaces AYP #(s) 173921, 180054, 532173921; Husqvarna #(s) 173920, 173921, 180054, 532 17 39-21; 578 43 19-05.
•Length: 16-3/4"
•Width: 2-1/2"
•Center Hole Diameter: 5 Pt. Star
•Thickness: .197"
•Offset: 3/16"