Arnold John Deere Blade - 54-Inch Mowers Fits John Deere 100 Series lawn/garden tractors with a 54" deck cutting width Contains one blade, three are required Dimensions: 18-5/8" x 2-1/2" Fits Models M115496, 491-380, 91-380, 191-380, 330-365, B1SB6192, 6192