The files are made by advanced M-Phase technology with extra Proprietary Coating. They are made by Fanta Dental with US FDA approval and CE certificate. The file has better performance than Vortex Blue and can be used on generic motors. Free 2 days priority shipping to US continental address. The package has 3 Blue files: • B-1, 1pc, White, 15/06 • B-2, 1pc, Yellow, 20/07 Variable Taper • B-3, 1pc, Red, 25/08 Variable Taper • 150% Better Cyclic Fatigue Performance than Vortex • Multi-section and Variable Taper ensures better 1/3 irrigation and obturation • Proprietary coating ensures more flexibility while having high efficiency $15 shipping to internationaladdress. International buyers need to make sure own country's custompolicy about getting this item. It's at your own risk if extracustom duty or withhold policy enforced.