Oregon 590-685 Pack of 3 Gator G5 Blades - 16-1/8" Pack of 3 Length:16-1/8"; Width: 3.00";Thickness: 0.187"; Center hole size: 3/4"; Center-to-Center: 2-9/16"; Air Lift: 1" Replaces OEM Massey Ferguson part numbers: 1704100,1704856ASM Replaces OEM Simplicity part numbers: 17027774SM,1704100A,1704100BMA,1704100ASM,1704100BZ,1704856ASM,1704856,1704856SM,1716696,1716696A,1716696ASM,1716696SM,1727774,1727774A,1727774ASM,1727774BMA,1727774BZ,1727774SM,17027774,1704856BZ,1704100,1704856A,71704100,71704856,1704856BMA,1704100SM,71704100A Replaces OEM Snapper part numbers: 17027774,1704100BMA,1704100BZ,1704856,1704856ASM,1704856BMA,1704856BZ,1716696A,1716696,1716696SM,1727774,1727774A,1727774BMA,1727774BZ,1704100,1704100A,1704856A,1716696ASM