Shop T3 Polished Curls 1.25 Interchangeable Clip Curling Iron Barrel online at Macys.com. Create an endless array of styles with the interchangeable barrels from the T3 Convertible Collection. Use the 1.25 Clip Barrel to create perfectly polished curls, tailored uniform waves or volume with curl. Compatible with the Whirl Trio, Whirl Convertible, and Twirl Convertible. Digital SinglePass technology maintains consistent, even heating along the barrel, which is the secret to flawless styling and long-lasting results without exposing hair to unnecessary heat. When heated, the unique T3 Tourmaline + Ceramic styling surface emits negative ions that seal the cuticle, eliminate frizz and deliver shiny, long-lasting results.