Hi-Lift Blade / Exmark 103-6582-SPack Size:1Ariens 04916400, Ariens 00273100, Ariens 03399704, Ariens 04917900, Bobcat 112111-02, Bobcat 12111-02, Bobcat 32022A, Bobcat 32022HD, Bobcat WM132022, Bunton PL4206, Bunton P2005, Bunton 6294, Exmark 1-303527, Exmark 103-1578, Exmark 103-1578-S, Exmark 303527, Exmark 633484, Exmark 103-2508, Exmark 1-303146, Exmark 633482, Exmark 103283, Exmark 103-2528, Exmark 103-2518, Exmark 103-2518-S, Exmark 103-6582-S, Ferris 1521227S, Ferris 1521227, Ferris 5021227, Ferris A48185, Gravely 00450300, Gravely 04916400, John Deere AM104490, John Deere PT8721, Lesco 050621Aladdin UGAT4, Aladdin UB7, Dealer Choice 50-4215, Dealer Choice 50-2225, Edgewater 152109, Foley/PLP 114-174, Green Meadow UGM21, J. Thomas BO-3374, J. Thomas SG-3180, J. Thomas BO-0102, J. Thomas SG-3180, Landscaper Express 20-0550, Landscaper Express 29312, Landscaper Express 20-0604, Landscaper Express 231002, Landscaper Express 20-1451, Landscaper Express 20-0641, Landscaper Express 1032530, Landscaper Express 2295, Landscaper Pro 91256, NHC 212-0422, Oregon 91-256, Oregon 396-806, Oregon 95-063, Prime Line 7-04619, Rotary 10071, Rotary 6014, Rotary 15-1010, Rotary 15-6014, Rotary 15-2173, Rotary 15-3404, Rotary 15-3374, Rotary 3374, Sunbelt B1EM1811, Sunbelt SB-6014, Sunbelt SB-90918, Sunbelt B1PD5008, Sunbelt B1SB10071, Sunbelt B1PBU1300Ariens Requires 3 for 52" deck; Bobcat Requires 2 for 36" deck, 3 for 54" deck; Bunton Requires 2 for 36" deck, 3 for 52" deck; Exmark Requires 2 for 36" deck; 3 for 52" deck; Gravely Requires 2 for 36" deck; 3 for 52" deck; John Deere Requires 2 for 36" deck; 3 for 52" deckLength: 18 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .203 "