Used to keep queen and drones inside the hive as a temporary measure or for research purposes. Can be used to TEMPORARILY prevent swarms. Fits 10 Frame Langstroth style bee hives. Fits on the FRONT of the bee hive. May not be effective for virgin queens. NOTE: THIS IS NOT FOR SEPARATION OF THE QUEEN FROM THE HONEY SUPERS. NOT RECOMMENDED FOR BEGINNER BEEKEEPERS. IF YOU ARE NOT FAMILIAR WITH THE USE OF THIS ITEM, PLEASE DO NOT BUY. Additional Details ------------------------------ Product description: Used to keep queen and drones inside the hive as a temporary measure or for research purposes. Can be used to TEMPORARILY prevent swarms. Fits 10 Frame Langstroth style bee hives. Fits on the FRONT of the bee hive. May not be effective for virgin queens. NOTE: THIS IS NOT FOR SEPARATION OF THE QUEEN FROM THE HONEY SUPERS. NOT RECOMMENDED FOR BEGINNER BEEKEEPERS. IF YOU ARE NOT FAMILIAR WITH THE USE OF THIS ITEM, PLEASE DO NOT BUY.