High Speed Electric Attachment Smallest and Slimest head size in its category Cellular Glass Optic Dual Defense - Clean Head System Push Button Chuck for FG burs Microfilter 1:5 Gear Ratio 200,000 rpm Max Speed Quiet 57 gr Titanium Body with scratch resistant DURAGRIP 4 Water Spray with 2 way water-function (Water Jet/ Water Spray) Ceramic Bearings Anti-Heat System E-Type