With plug, 2-3/8" O.D. For John Deere MaxEmergeâ„¢, Kinze® before Fall 1989 down pressure; Kinze® contact drive wheel; White 6000, 8000; Ausherman, Great Plains, Yetter, Shoup no-till coulters.
(1) 13-1/2" notched and (1) 12" smooth opener, mounts to face of row unit. For John Deere planters 7000, 7200, 1700 series; Kinze®; Massey Ferguson, White 6000, 8000.