Prevent squirrels, woodpeckers, or other animals from altering the entry on your existing wooden bird houses with these Erva Steel Hole Protectors. This set of 4 durable, steel plates is a fantastic way to keep the entry on your wooden bird house from being enlarged. These lasting, galvanized steel squares have a 1.5" diameter hole in their center, perfect for use with bluebird houses, and their tan, powder coated finish blends with wood easily. Predrilled holes in each corner of the squares, along with included screws, make them simple to attach to your bird house. The steel construction remains strong and resistant to animal damage for many seasons, enhanced by the powder coated, tan finish. Keep your bird house openings from being enlarged by surrounding them with these Steel Hole Protectors. Made in the USA.

Note: This case pack includes 4 of the Erva Steel Hole Protectors, each with a 1.5" diameter center hole.

Dimensions: 2"L x 2"W, 1.5" dia. opening each
Mounting: screw onto bird house
Construction: steel