NSK Ti-Max X450KL Titanium high speed HP, Optic, 45Deg Angled, Std Head For Kavo couplingUnique 45 degree Angled Head Provides Incredible Accessibility The slim form Ti Max X450 series possesses a unique 45 degree angled head specially designed to access hard to reach areas for sectioning and extraction of third molars and other impacted teeth. The X450's robust 21 watts of cutting power and effective cooling system featuring triple water jets ensure safe and effective treatment during a variety of surgical procedures. Rear Exhausting