Hi-Lift Blade / Murray 454390MAPack Size:1Murray 20930E701, Murray 20930HT, Murray 25116, Murray 454390, Murray 54390E, Murray 54390HT, Murray 54372E, Murray 54372HT, Murray 24116E601, Murray 24116HT, Murray 54390E701, Murray 054390E701, Murray 054390E701MA, Murray 454390MAAladdin UMO7, Edgewater 155615, ESF 114-792, Foley/Belsaw 5977204, Foley/PLP 114-792, Green Meadow UMU18, Laser L1945, Laser 91361, NHC MU2600, Oregon 97-106, Prime Line 7-04519, Quality 120835, Rotary 1124, Sunbelt MU-2600, Sunbelt SB-1124, Sunbelt B1MU2600, Sunbelt B1MU2605Murray All 36" decks with square D center hole; requires 2 for 36" deckLength: 18 1/4 ", Center Hole: 7/8, Width: 2 1/4 ", Thickness: .149 ", Requires 2 for 36" cut