| | Disc opener blade only, 13.5" diameter x 3mm thick. Will fit John Deere conventional grain drills/air seeders 730, 770, 780, 1060; John Deere with aluminum seed boots 450, 455, 515, 520, 1520, 8100, 8200, 8250, 8300, 8350, 8500, 8550, 9400, 9450, BD1108, BD1110, BD1113. |