Replaces OEM: AYP, Roper, Sears, Craftsman, Husqvarna, Poulan
173920, 173921, 180054, 512258301, 532173920, 532173921, 532180054,
539107519, 575938201, 575938301, 917173920, 917532173920, 917532173921,
917532180054, 917539107519, 917577203106, 954633774, 954633781
Ariens 21547257, 21547939
Requires 3 Blades For 48" Cut. High Lift Blade.
C. H. DIA: 5 PT, STAR
LENGTH: 16-5/8"
THICKNESS: 0.2040"
WIDTH: 2-1/2"