Help maintain entry holes on your birdhouses. Copper portals prevent predators from chewing or pecking around entry holes to enlarge them, keeping your nesting birds safe! They can also be used to decrease the size of the opening on the house.
This entrance hole is 1.125" (1 1/8")
Description
1.125" entrance hole is perfect for wrens and chickadees
Prevent predators from chewing or pecking around entrance hole
