Feature:1. The 3 quarters of the entrance disk serve different purposes and can be rotated to control access to the entrance of beehives.2. According to the size of the queen bee and other bees, the types of bees that are prohibited from entering the beehive can be selected.3. By adjusting the size of the beehive mouth, the beehive is prevented from being attacked by mice or squirrels in specific period.4. The gate is made of high-quality stainless steel, which is safe and non-toxic, and will not cause any harm to bees.5. With the fine workmanship and accurate size, it can perfect fit your beehive, providing assurance for your beekeeping work.Specification:Item Type: Round Beehive DoorMaterial: Stainless SteelApplication: Anti-TheftDiameter: Approx. 12.5cm/4.9in.Package List:10 x Round Beehive Door