This is a A-W38679 Spacer, Blade PN: W38679Main Description As Following : A-W38679 Spacer, Blade P.N: W38679 Used W/ Dual Blades Found in Section & Models : Hay Tool Parts > Rotary Cutter Blade Bolts & Nuts, John Deere ARTICULATED DUMP TRUCK: 260E, John Deere ARTICULATED DUMP TRUCK: 310E, John Deere ROTARY CUTTER: 1008, John Deere ROTARY CUTTER: 1018, John Deere ROTARY CUTTER: 1418 (SN 001501>), John Deere ROTARY CUTTER: 1508 (SN <029600), John Deere ROTARY CUTTER: 1517, John Deere ROTARY CUTTER: 1518, John Deere ROTARY CUTTER: 2018, John Deere ROTARY CUTTER: 509, John Deere ROTARY CUTTER: 609, John Deere ROTARY CUTTER: 709, John Deere ROTARY CUTTER: 727 (SN 1990>), John Deere ROTARY CUTTER: 737 (SN 1990>), John Deere WHEEL LOADER: 444K, John Deere WHEEL LOADER: 524K, John Deere WHEEL LOADER: 544K, John Deere WHEEL LOADER: 644K, John Deere WHEEL LOADER: 644L, John Deere WHEEL LOADER: 644LH Associated Items : New Also This is An Aftermarket Product And : Used W/ Dual Blades Inside Diameter: 1.02" Outside Diameter: 1.5" Width: .79"