S-Max M series air turbines feature unrivalled cutting performance, a slim ergonomically designed body and excellent visibility. The new rotor shape was developed using a state-of-the-art computer simulation and fluid analysis software. This rotor delivers a significant boost in power becoming an extension of the operator and providing a cutting feel that facilitates more intricate operations. Its elegant, slim design is replete with the expertise and technology accumulated over decades by the handpiece experts at NSK. Its features are, All Stainless Body: The handpiece body is stainless steel, making it corrosion resistant and sturdy. Its satin-like finish fits comfortably in your hand. Ceramic Bearings: The ceramic bearings are 25% harder than steel and around half the weight, meaning very little wear, which helps the cartridge to last longer. Clean Head System: The Clean Head System has an anti-suck back mechanism that stops blood and foreign matter from entering the head from the oral cavity. As a result, the ball bearings and mechanical parts last longer. Its specifications are, clean Head system for reduced risk of cross contamination, ceramic bearings, cellular glass optics,push button chuck,quattro water spray and solid cellular glass rod optics, easy cartridge replacement.