Hi-Lift Blade / Murray 042225E701MAPack Size:1Murray 42225E701, Murray 20046, Murray 20046HT, Murray 442225, Murray 442225MA, Murray 042225E701MA, Murray 42225E701MA, Murray 4225E701MAAladdin UMO3, Edgewater 155642, ESF 114-786, Foley/PLP 114-786, Green Meadow UMU22S, Laser 91522, NHC MU2601, Oregon 97-015, Prime Line 7-04583, Quality 120842, Rotary 2013, Sunbelt MU-2601, Sunbelt SB-2013, Sunbelt B1MU2601Murray 22" walk behindLength: 22 ", Center Hole: 3/8 ", Width: 2 1/4 ", Thickness: .134 "