Application - The beekeeping tool is used to protect bees from the mouse and insects attacks. There is no denying that this entrance disc is the best helper of beekeepers. Special design - Design of adjusting the size of the key hole in the hive makes it more easy to use. Hollow design - With this design, gas can spout replacement gas can spout replacement can also keep the beehive ventilated for flowing of the air. Quality workmanship - The bee nest door is made of plastic material, so its non toxic, safe and Uses place - Bee hive box entrance disc is used on a box where there is a round entrance hole