Stens 330-316 Hi-Lift Blade, Pack of 2 Replaces: John Deere - AM100945, AM100991, AM137324, AM137326, AM141039, AM141041, M153118, M83459, M84472, N154159; Lesco - 050537 Fits John Deere Models: X300 and LX series; requires 2 for 38" deck Length: 19 1/2"; Center Hole: 11/16"; Width: 3"; Thickness: 0.203" Has round center hole and is interchangeable with OEM blades with star shaped center hold for this application