RUBBER HOOK OVER FEEDER 18QT, Versatile, portable fence feeder that's ideal for use in field, pasture, trailer or stall. Constructed of rubber for greater crack-proof, crush-proof, freeze-proof durability. Molded bracket easily hooks over any "2 by" board to instantly deliver a sturdy feeder. Features rounded corners for easy access and internal capacity marking for easy measuring (qts and liters). Measures 15-1/4"Lx16-1/2"Wx9"H.