Stens 310-052 Notched Air-Lift Blades Replaces OEM: Bad Boy: 038-3000-00, 038-5202-00 - Bobcat: 112111-02, 2722543-02, 32022A, WM132022 Exmark: 1-303146, 1-303283, 1-303527, 1-633482, 103-2508, 103-2518, 103-2518-S, 103-2528, 103-6582-S, 103-6584, 103-6584-S, 303283, 633482, 633484 Giant Vac: A581 - Husqvarna: 539100341, 539101485 - Kees: 100341, 363245 Lesco: 013826 - Snapper: 1-7037, 1-7344, 101485, 363055, 7-7344, 7-73447, 7075751, 7075751BZ, 7075751BZYP, 75751, - Toro: 103-2528, 105-7781, 105-7781-03, 108-1117 Length: 18" - Center Hole: 5/8" - Outer Hole: 5/16" - Center To Center: 1 1/2" - Width: 2 1/2" - Thickness: .250"