Fertilizer tanks, adjustable bar each tank is 200 or 250 gallon each, lower bar is adjustable. Good for carrying liquid fertilizer, herbicides etc. . $288 make offer. Good condition. Heavy duty frame and mounts.. I dont access this site very often so please call or I prefer text with any quiestions. 970-218-9724. It is hard to see in the grass but the metal frame is under there