ITEM NAME:Beehive for Nuc Box Disc Gates(Diameter:4-7/8 Inch) Bee Entrance Doors with G1C5 Beehive for Nuc Box Disc Gates(Diameter:4-7/8 Inch) Bee Entrance Doors with G1C5 SOLID AND LONGTIME:for Beehive Nuc box Gates are very heavy duty and last for many years to come DESIGN: Designed to adjust the size of the tap-hole in the hive and prevent the hive from the mouse attack or squirrels chew in autumn and winter EASY TO INSTALL: for Excellent product pefect for making nuc boxes and swarm boxes The beehive for nuc box gates with galvanized steel perfect for being able to set exclusion to the hive by size of the bees, queen, drone, and all. Excellent products for beekeeping, suitable for top bar hives, Nuc's, and mating hives.Bee hive box entrance disk is used on a box where there is a round entrance hole Rotating disc used for controlling access to the entrance of beehives. colour:Silver Material:Galvanized size:Diameter: 4-7/8 inches(12.5cm) Hole diameter: 1-3/4 inch Center screw hole diameter:3/16 inch Package Contents: 12* honeycomb door