HOT TOOLS 1 inch salon curling iron nano ceramic number HTBW44 professional features, nano ceramic ultra smooth surface for frizz free styles. Patented pulse technology beauty industry standard handle extra long cool tip powerful spring clamp extra long thumb grip provides maximum heat curl after curl rheostat control to adjust temperature variable heat settings, up to 430 degree farenheit use less heat for fragile or damaged hair fold away safety stand bonus. 2 replacement springs included in box on indicator light separate on/off switch 8 feet tangle free swivel cord one year warranty.