For single disc opener on John Deere 750, 1850 drills, air seeders. Includes (2) cups, (2) cones, (2) seals, (2) retainers, (1) o-ring, (1) cotter pin.
14-13/16" long, 1-1/2" O.D., .218" wire, 31 coils. Heavy-duty down pressure for long opener arm on John Deere 450, BD1108, BD1110, BD1113; short opener arm on 515, 520 drills.