HERSCHEL PARTS Disc Mower Knife, 0.717 in Center Hole, Package Quantity: 6, Steel, 4.21 in L, For: Challenger DCH12, DKH15, DKHB, DKHC, DKHCT, PTD10, PTD12, PTD15 Disc Mower, Gehl 1162, 1165, 2345, 2365, 2412, 2415, 2418 Disc Mower, Hesston 1320, 1340, 1345, 1355, 1360, 1365, 1375, 3312, 3315, 8070, 8500, 9070, 9075, 9080, 9190, 9192 Disc Mower, Kuhn GMD283TG, 400, 500, 600, 700, 800, 801, 600GII, 700GII, 800GII, FC243, 250, 283, 300, 302, 303, 313, 350, 352, 353, 813, 883, 4000 Disc Mower, Massey Ferguson 1345, 1355, 1365, 1372, 1375, 9070, 9075, 9080, 9175, 9185 Disc Mower, New Holland 408, 411, 412, 415 Disc Mower, Vicon CM2800, DMP2800, KM2800 Disc Mower