The T3 Cascading Waves Barrel 0.75"-1.25" is a reverse tapered barrel that creates lived-in waves with cascading wave volume. When heated, custom blend ceramic surface glides smoothly to create a frizz-free shiny finish that lasts. Enhanced with intelligent Digital T3 SinglePass® technology to ensure even, consistent heat and fast healthy styling, the Convertible Base works in just one pass. An internal microchip controls temperature fluctuation ensuring even, optimal heat. The start to a beautiful finish, it is compatible with the Whirl Trio, Whirl Convertible, Twirl Convertible, and the Convertible Base.