Hi-Lift Blade / AYP 138971X431Pack Size:1Ariens 21546095, AYP 127843, AYP 138498, AYP 138971, AYP 138971X431, Craftsman 127843, Craftsman 138498, Craftsman 138971, Husqvarna 532 13 84-98, Husqvarna 532 12 78-43, Husqvarna 532 13 89-71, Viking 6109-004-2012Aladdin US41, Dealer Choice 50-3145, Edgewater 156105, ESF 114-306, Foley/Belsaw 5979770, Foley/PLP 114-306, Green Meadow USSE207, Green Meadow USSE29, Green Meadow 95-039, Kwik-Fix 814848, Laser L1904, Laser 91331, NHC EP1010, Outdoor Factory Parts 578431914, Oregon 95-032, Oregon 95-039, Prime Line 7-04982, Prime Line 7-06319, Rotary 6125, Sunbelt SB-6125, Sunbelt SB-95900, Sunbelt SB-6262, Sunbelt B1-EP1010, Sunbelt B1EP1020, Sunbelt B1EP1010, Sunbelt B1PD1073AYP Requires 2 for 42" deck; Viking Requires 2 for 42" deckLength: 21 ", Center Hole: 5 pt. star, Width: 2 1/4 ", Thickness: .149 "