Hardware Kit for Straw Chopper Blade Repair Kit. Can be used with OEM or with Kondex Straw Claw™ chopper knives. Kit includes: 8 Flanged Expanded ID Bushing, 8 Flanged Bushing, 8 M10 x 55 bolt, 8 M10 Lock Nuts. One kit allows for installation of 8 knives. Used on models: John Deere S660, S670, S680, S690, S760, S770, S780, S790, S7 600, S7 700, S7 800, S7 900, X9 1000, X9 1100