Festool cordless drills feature brushless motors interchangeable chucks (Centrotec and FastFix systems) and 3 year battery warranties to give you the world's most capable and reliable drills. The C 18 is an 18 volt drill that is really 5 tools in 1 thanks to the FastFix chuck system: An eccentric chuck for corners and tight spaces keyless chuck for bits up to 1/2'' centrotec chuck for driver bits and quick change capabilities right angle chuck for for those spots you never thought you'd get a screw or a hole and lastly the optional depth stop chuck.
All these capabilities come packaged in the market's most reliable toughest framework featuring a brushless motor (efficient reliable reduced noise) and electronic micro processor protection featuring an electronic rather than mechanical clutch to extend the life expectancy of your tool.