BaByliss PRO Tourmaline Ceramic Curling Iron Tourmaline curling irons gives longer lasting curls compared to the non Tourmaline or Ceramic Hot Tools curling irons and other drugstore brands. Barrels retain heat more efficiently, distribute it more evenly and eliminates damaging hot spots. Features ultra-powerful heaters that provide fast, steady maximum temperatures. Dries hair from the inside out, preserving more moisture within the hair shaft and causing less damage to the hair cuticle. Tourmaline gemstone crystals, a natural source of negative ions and far-infrared heat, are infused with ceramic to create the latest styles with less damage for healthy, shiny, beautiful hair. Eliminates static electricity and neutralize odors and bacteria. Slim, rubberized “soft-grip” rotating handle with locking option Push-button temperature dial Dual voltage 40 heat settings 401°F (205°C) Extra-long heavy duty swivel cord Barrel 3/4″ (19 mm) Available in the following barrel sizes : 5/8″ ( BTM5058SC ), 1″ ( BTM5075SC ), 1-1/4″ ( BTM5125SC ) et 1-1/2″ ( BTM5150SC )