Willie Morrow's Unbreakable Thermo Blow Dry Nozzle
it does not fit all hair dryers, it fits most dryers. there is 4 inner ringssize of Diameter 2 1/16", 1 15/16", 1 13/16", 1 11/16", 1 9/16"( 4attachment) fits most stanard looking dryer (Straight looking, not shaped) Please check the size of your dryer.