Each updated attachment features increased durability, a slimmer body, and an improved chuck mechanism for greater holding strength. Also features a stainless steel body, micromachining technlogy, and integrated shaft bearings, which reduce vibration and guarantee more accurate and consistent cutting. NSK's DualDefense™ System, with its Clean Head System and Anti-Retraction Valve, helps reduce contamination. Comes equipped with ceramic bearings, a Quattro water spray, and a push-button chuck. 1-year warranty.