This is a brand new, premium quality fully compatible curling/styling adaptor attachment for Dyson Supersonic hair dryers. It transforms your hair dryer into a curling styler in seconds with a strong magnetic connection. Simply attach any compatible Airwrap barrel attachment to the twist-lock end of the adaptor. Creates a spinning vortex of air around the barrel. Specifications: Diameter: 40mm (approx'). Hair Dryer Connection: Magnetic. Barrel Connection: Twist Lock.