dewalt dcs438n 18v 76mm brushless multi cut grinderGrinder with brushless motor for greater efficiency and durability. Best in class 22mm cutting depth for greater application capacity. Forward and reverse disc direction allows for quick and simple changes in blade direction, allowing the user to deflect sparks when working in confined areas The orientation of the battery provides the user with greater comfort in the application, without hindering the users' wrist. Adjustable retention guard for