Compatible only with the T3 Switch Kit Base. Meet the multitasking styling kit that's as versatile as you. Featuring 3 interchangeable barrels in our most-loved sizes, the T3 Switch Kit Classic Trio takes your curls from polished and defined, to soft and full-bodied, to big and bold—with a glossy finish and long-lasting hold. An intuitive Twist & Switch design makes swapping barrels a breeze, and T3 Rapid HeatIQ® Technology ensures advanced heat precision for lasting results in one smooth pass.