Description Our Copper Bluebird House Portal goes over the entrance hole of your nesting box, and you will not have to worry about a woodpecker or squirrel chipping away at the hole and ruining the house. Can also be used to repair a nesting box entrance hole that has been enlarged by squirrels, if not too damaged. Or, a Wood Bluebird House Predator Guard might be needed. Heavy copper sheet with a 1.5″ center hole Comes with screws 2″ x 2″ x .15″ Made in the USA
