Dewalt dcg412 125mm xr premium angle grinders 18v dewalt dcg412n xj this 18v premium angle grinder from dewalt has been designed with a powerful fan cooled motor and intelligent variable speed trigger with lock off switch for enhanced work safety and control it features the xr lithium ion technology and is part of the intelligent xr lithium ion series designed for efficiency and making applications faster the powerful and highly efficient pm58 dewalt fan cooled motor includes replaceable