Redesigned silicone coated interchangeable lockable nozzles with a foam coated extended handle to prevent heat transfer. Available for Pro & Mini. O ring size for nozzle is 52*2.4mmComes with: 2 interchangeable silicone (rubberised) nozzles 1 extra large handle coated in foam to prevent heat transfer when product in use. PLEASE NOTE : Hose is not include in this kit. This new nozzle system is designed to replace the current system for all bigboi Pro & Mini model before 2020. Simply twist off your current nozzle attachment and replace with the NEW nozzle system and take your drying experience to the next level.