Made with metal rail queen excluders. This is for TWO (2X) front queen excluder, Keeps the queen and drones inside hive. Used to temporarily halt a swarm before it happens. May not be effective with 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: Made with metal rail queen excluders. This is for TWO (2X) front queen excluder, Keeps the queen and drones inside hive. Used to temporarily halt a swarm before it happens. May not be effective with 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.