Incredibly powerful, robust and reliable, Bora turbines boast the very best of Bien-Air technology. They guarantee impeccable hygiene thanks to the Sealed Head anti-retraction valve and perfect spray with three separate Accu-Spray air/water spray ports. The carbon fiber handle will withstand normal wear and tear that comes from repeated sterilizations. The patented anti-heat push-button bur locking mechanism reduces overheating, adding comfort for your patients they are sure to appreciate. The Bora L Blackline operates at a maximum speed of 320,000 rpm, features dual optical glass rods, adjustable LED lighting, and ceramic ball bearings, which offer a longer service light and greater precision, with less noise and less vibrations.