The Hanging Squirrel Baffle by Heath Products prevents squirrels from accessing your hanging feeder. It simply tilts under the weight of a squirrel, detering access. This baffle is easily installed above your feeder. It includes two hooks and a center nut for hanging. Construction: high strength polycarbonate plastic Dimensions: 12.5" diameter Mounting: hanging above the feeder Warranty: Lifetime Made in the USA