The 13/25mm Black barrel is narrow at the base and gradually gets wider toward the tip. The clipless curling iron is ideal for creating large tight, or loose beautiful long lasting, bouncy curls. The barrel distributes heat evenly without creating frizz or heat damage, leaving the hair silky and shiny. With our super fast heat up time, barrel temperature remains consistent curl after curl. You'll have playful, free-flowing curls to impress within minutes.