This knife has a 3/4 inch (19mm) carbide tip, a 1/2 inch O.D. NH3 tube as well as a larger tube for granular fertilizer

The Openers fit any 47 and 50 degree C-Shank cultivator. The openers provide the flexibility to switch from Granular to Max-Quip without changing openers.

The Openers fit any 47 and 50 degree C-Shank cultivator. The openers provide the flexibility to switch from Granular to NH3 without changing openers