Individually mounted double spring loaded anhydrous ammonia applicator assembly to fit any tool bar. Pictured here mounted on a 4' x 4' square bar. The applicator knives are not mounted. The brackets can accomodate front or back swept knives. Our standard set up is with a front swept knife with chrome alloy wear insert. Four (4) or five (5) bolt coulter hub available to fit coulters up to 26' in diameter. Pictured here with a 22' x 3/16' coulter on a five (5) bolt hub. Eleven (11) assemblies mounted on a 4' x 4' square tool bar in a pasture in Chiefland Florida.