This hoe type opener is 1-3/4 inch (45 mm) wide. It has a long wearing high chrome tip that runs at a fairly vertical angle. Soil flows around the tip, rather than being lifted and thrown. This vertical approach also means that it will pull fewer rocks.

This knife has a 3/4 inch (19 mm) welded tip with a carbide insert. It is also available without the carbide insert, 200-KNF-0810.

This knife has a 3/4 inch (19 mm) double carbide tip welded to a 5/16 inch (8 mm) quick change holder. The 75° approach angle will not lift and pull many rocks or stumps to the surface.

This knife has a 3/4 inch (19 mm) welded tip with a carbide insert. It is also available without the carbide insert, 200-KNF-7510. Round tube seed boots will not work with this knife. The funnel on this knife fits around a square tube seed boot.

This gumbo knife has a 3/4 inch (19 mm) chrome tip. The seed tube is spaced farther back to alleviate plugging in heavy clay soils. The tubes on this holder accept 1 1/4" (31mm) O.D. and 1 1/8" (28mm) O.D. airhose.