BaByliss Pro Nano Titanium Ultra-Thin Straightening Iron - 1 Inch BaByliss Pro Nano Titanium Ultra-Thin Straightening Iron - 1 1/2 Inch The ultra-thin profile of these high-tech irons makes them exceptionally lightweight and easy to work with. The extra-long 5" plates reach up to 450°F and allow for wider sections to be straightened, boosting speed and effectiveness while eliminating hand fatigue and increasing styling flexibility. Available in 1" and 1-1/2" plates.