Flanges have a durable, powder-coated finish, and are ideal for mounting heavy recycled or wooden houses and feeders.
Rectangular Flange is 3-1/4" x 5-5/8", and can be used for heavy houses and feeders.
Round Flange is 3" diameter, and is for mounting mid-sized or small houses and feeders.
Bluebird House Flange is designed for top or side mounting, ideal for Bluebird nest boxes. 2"H x 2"W x 2"D.