Designed to create polished, defined curls, T3's tapered 1-inch barrel is the most slender in the 'Wirl Trio' line allowing for the tightest wrap. Advanced SinglePass™ technology ensures an even, consistent heat resulting in long-lasting spirals with plenty of volume from root to tip. - Instantly heats up to 410°F - Precision locking mechanism - Attach to [Twirl Convertible Curling Iron id665402]