Ideal for poultry pens both large and small. This feeder is designed with rounded holes so that food waste is cut to a minimum. You can adjust the amount of feed that comes out by using the built-in feeder-adjuster. Mounting the feeder is easy with the molded side brackets. (Screws not included in shipment.) This feeder is made of a very heavy material and works well for not only your feed but is ideal for use as a grit or oyster shell dispenser. Size 10” W x 27 1/4” H x 4 3/4” deep. Capacity is approximately 25 lbs.