Notched Air-Lift Blade / Exmark 103-6583-SPack Size:1Ariens 00273000, Ariens 04919100, Ariens 04920600, Ariens 4919100, Exmark 103-6583-S, Exmark 103-6583, Exmark 1-323515, Exmark 103-2527, Exmark 1-403026, Exmark 323515, Exmark 103-2507, Exmark 520843S, Exmark 1-403086, Exmark 1520843, Exmark 103-6518, Exmark 403059, Exmark 103-6581, Exmark 403148, Exmark 1-403059, Exmark 103-6738-S, Exmark 103-6581-S, Exmark 1-403148, Gravely 04919100, Gravely 00273000, Husqvarna 539 10 03-40, Jacobsen 390666, Kees 100340, Kees 483011, Kees 483046, Lesco 013418, Snapper 7017036, Snapper 1-7036, Snapper 7-6675, Snapper 77378, Snapper 7077378, Snapper 101366, Snapper 7-7386, Snapper 483046, Snapper 7017036YP, Toro 103-2527, Toro 1-323515Aladdin UMC18, Aladdin UEK1, Aladdin UGAT1, Dealer Choice 50-1940, Dealer Choice 50-1955, Dealer Choice 50-1935, Dealer Choice 50-1920, Dealer Choice 50-1945, Edgewater 150615, ESF 114-152, Foley/PLP 114-152, Foley/PLP 115-402, Green Line 34160, Green Meadow UEM16, Green Meadow UFDK4, Green Meadow UGM26, Green Meadow 91-80, J. Thomas BO-16, Laser L1516, Laser 91050, Landscaper Express 1032507, Landscaper Express 1032527, Landscaper Express 403148, Landscaper Express 20-0730, Landscaper Express 231001, Landscaper Express 99127, Landscaper Express 20-0586, Landscaper Express 2212, Landscaper Pro UBOB2, Landscaper Pro 2212, Mow More EX16A, Mow More EX9487, Mow More BC16, NHC 212-0323, NHC EM1805, Oregon 91-180, Oregon 91-313, Oregon 99-127, Oregon 99-168, Quality 120421, Rotary 1009, Rotary 6500, Rotary 10718, Rotary 9487, Rotary 10172, Rotary 9967, Stens 355-008, Sunbelt SB-90916, Sunbelt SB-1009, Sunbelt B1BC1200, Sunbelt B1PD5005, Sunbelt B1HV1016, Sunbelt B1BC1201, Sunbelt B1EM1805Exmark Metro HP, Metro 5 Speed, Viking Hydro, Turf Tracer, Lazer Z HP and Lazer Z CT; Jacobsen Requires 2 for 32" deck; requires 3 for 48" deck; Toro Requires 2 for 32" deck; 3 for 48" deckLength: 16 1/4 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .203 "