Droll Yankee UNBS Ultimate Pole Support System for Nest Boxes and Bird Houses Pole support and mounting system for treeless bird house installation System allows you to put nest boxes anywhere in the yard or on the deck 68-inch no-tilt ground auger bores into ground with ease Pole and mount constructed of rust resistant galvanized steel for optimal rust resistance Adapter for quick and easy birdhouse mounting (birdhouse sold separately)