... graving work easily 2. Adjust depth exactly PARAMETERS: Model:12mm Electric Router R3601Chuck Diameter:12mmNo load Speed:23000r/minRated Input Power ... .We manufacture power tools of angle grinder,electric drill,impact drill,polisher,jig saw,electric planer,circular saw,trimmer,orbital sander,marble cutter ... interests, Welcome to inquiry for more details. 12mm Excellent Quality Electric Router---R3601