Hot Tools 24K Gold Spring Curling Iron is great for adding waves, curls, or volume to any hair style. Patented pulse technology for gets hot...stays hot performance. The patented pulse technology senses heat loss and begins restoring it immediately so the iron stays hot, curl after curl. The 24K gold plated barrel speeds the circulation of heat, enhancing heat up and heat recovery. 24K Gold plating distributes heat evenly and provides smooth surface for frizz-free styles.