Easily connect a bat or bird house to your existing triangular pole with this Large Adapter for Tri or Quad Tel Poles. This sturdy unit allows you to attach the back of your bird feeder, bird house, or bat house to a triangular pole, ensuring it remains in the proper upright position. The flat black plate attaches to the back of any structure at least 9" long and 5" wide, to accommodate the size of the plate. A triangular opening at the front of the item slides onto your Telescoping Bat House Pole with Ground Socket, Gray, 15' (not included) or your Telescoping Aluminum Pole and Ground Socket, Gray, 15' (not included) for mounting. The solid plate allows you to predrill holes at the desired location on it, for a versatile adapter. Attach your animal roosts to your existing triangular poles with ease using this Large Adapter for Tri or Quad Tel Poles. Made in the USA.