ITEM NAME:12pcs New Yellow Beekeepers Bee Hive Nuc box Entrance Gates Beekeeping Equi C1F9 12pcs New Yellow Beekeepers Bee Hive Nuc box Entrance Gates Beekeeping Equi C1F9 Brand new Four access options: fully open, queen exclusion, closed with ventilation and fully closed. Bee hive box entrance disk is used on a box where there is a round entrance hole. Designed to adjust the size of the tap-hole in the hive and protect the hive from the mouse attacks in autumn and winter. Rotating disc used for controlling access to the entrance of beehives. Very convenient to use. Suitable for top bar hives, Nuc's, and mating hives. colour: yellow Material: plastic size: 68mm Package Contents: 12 x beehive box entrance gates Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.