Droll Yankees Bird Feeder Mounting Bracket, Bird House Mount Flange for 1" Pole, BHM, Black MULTI-USE: Can be used to attach nest boxes, bird feeders, or bird houses to a pole COMPATIBILITY: Stem slides into a 1 inch pole for pole mounting SIZING: 2-1/2 by 3 by 2-1/2-inch INCLUDED: One black powder coated mounting flange, three screws EASY INSTALLATION: Provides a secure fit for your bird accessory with minimal tools required