The Babyliss Nano Titanium Tapered Curling Iron is offered in 2 sizes. 1" to 1/2" in diameter and the 1 1/4" to 3/4" size. With the advanced temperatures your hair will not only curl faster but retain it's natural moisture as well. Set heat temperature up to 450 degrees. Babyliss also includes an eight foot long tangle-free cord that makes using this iron easy and fast. Use Babyliss Pro when you want professional looking results each time you curl!