3 Pack of Hi-Lift Blades for 50" Deck Cut AYP Sears Craftsman Husqvarna Lawn Mower 137380 SPECS: Length: 17 3/8 " Center Hole: 5 pt. star - Thickness: .149 " Width: 2 1/4 " REPLACES OEM: AYP: 137380, 156468 - Craftsman: 137380 - Husqvarna: 532 13 73-80