copper plate with screws for bird house
copper plate with screws for nest box
copper portal shown on bluebird nest box

Copper Portals

Regular price $2.50 $0.00
Help maintain entry holes on your bird houses. Copper portals prevent predators from chewing or pecking around entry holes to enlarge them. Portals can also be used to repair a chewed entry hole (so long as there's enough wood left to attach the plate), or reduce the size of an existing entry hole.
  • Four screws are included
  • 2" square plate 
  • Available in 5 different entry hole sizes:
    • 1" for Wrens
    • 1-1/8" for Chickadees
    • 1-1/4" for Nuthatches
    • 1-1/2" for Eastern Bluebirds
    • 1-9/16" for Western Bluebirds

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