Don't let threaded connections screw up your day! Attach the HoneyStick Bee Keeper Magnetic Cap to the bottom of any standard 510-threaded cartridge and snap it right into the Bee Keeper vaporizer's concealed tank port. No screwing, just doing! Universal 510-threading boasts compatibility with your favorite standard carts, while a powerful neodymium magnet ensures sturdy snap-on attachment. With HoneyStick Magnet Caps, enjoying the sweet side of life is a whole lot easier.