Mulching Blade / Murray 0951000MAPack Size:1Murray 095100E701, Murray 95100, Murray 095100E701MA, Murray 5539MAEdgewater 155641, ESF 114-836, Foley/PLP 114-836, Green Meadow 97-014, NHC MU2615, Prime Line 7-06416, Rotary 6476, Sunbelt MU-2615, Sunbelt SB-6144Murray Requires 2 for 42" deckLength: 21 1/4 ", Center Hole: 7/8 ", Width: 2 1/4 ", Thickness: .134 "