Check the listing for details. NEW Chicken Coop - 15" Wall mount scratch, oyster shell poultry feeder. Condition: New. Listed at 16.99 USD. Chickens Chickens Chickens ChickensWall Mount Poultry FeederGreat for scratch or oyster shells Slim design, wall mounted chicken feeder. Great for scratch or oyster shells.I used one of these for scratch and another for oyster shells. I hung this design inside the hen house. Hanging it saved floor space and kept the mess to a minimum. The size worked great for my 5 hens. Probably would work well for at least 10 hens without refilling too often.The feeder sold in this listing is new. See the pictures.Base width is 4.5" height is approximately 15".Top refill.Sturdy design.Comes with two screws for hanging on wood. Holes predrilled in the feeder to accommodate the screws.Recommended by my chickens.From a smoke free home.