Mulching Blade / Exmark 103-6581-SPack Size:1Exmark 1-403086, Exmark 103-6581, Exmark 103-2517, Exmark 1-403148, Exmark 103-6581-S, Exmark 403086Aladdin UEK8, Dealer Choice 50-1825, Dealer Choice 50-4220, Edgewater 152103, ESF 114-292, Foley/PLP 115-510, Foley/PLP 114-292, Green Line 34403, Green Meadow UGM16, Green Meadow UGM203, J. Thomas BO-175, Mow More EX16B, NHC EM1815, Oregon 91-194, Prime Line 7-06342, Rotary 6175, Rotary 9988, Rotary 15-6175, Rotary 10172, Rotary 9967, Sunbelt SB-90916, Sunbelt EM-1815, Sunbelt SB-6175, Sunbelt B1PD5005, Sunbelt B1SB9988, Sunbelt B1EM1815Exmark Requires 3 for 48" deckLength: 16 1/4 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .164 ", Requires 3 for 48" deck