32mm. Jose Eber’s Revolutionary Clipless Curling Irons produce salon worthy curls and waves defy frizz and fly aways. Redefining the way you curl your hair, the clipless barrel design delivers consistent heat across the entire length of the barrel giving you smoother, healthier, longer lasting curls within seconds. 32mm Ceramic coated barrel. No ridges, kinks or crimped ends. Even heat distribution curls perfectly in just 5 seconds. Ergonomic heat resistant handle and 360° swivel cord for ultra-easy handling. Dual voltage 110V / 220V.