Arnold 48-Inch John Deere Lawn Mower Blade Replacement John Deere blade Fits John Deere 300 Series lawn/garden tractors with a 48" deck cutting width Contains one blade, three are required Replacement John Deere blade Fits John Deere 300 Series lawn/garden tractors with a 48" deck cutting width Replaces John Deere models M41697 and AM31100 Contains one blade, three are required Measures 16" x 2"; Round center hole measures 11/16"