The back swept fertilizer injection knife is available in 13" length and three thickness 5/16", 3/8" and 1/2". It has a hole and a slot for side mounting on standard cultivating shank. These knives are available in a variety of wear extending styles with schedule 40 1/8" Black pipe ( 1/4" I.D.) for ammonia application. Hole Punch: 1 hole and 1 slot for 1/2" bolts on 1-3/4" and 3" centers.
