... 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 ... interests, Welcome to inquiry for more details. 12mm Excellent Quality Electric Router---R3601