The pivoting adjustable shoe with an open top offers high stability and blade visibility during a cut. There is also a lever action, keyless blade clamp for quick and easy blade changes. Variable speed trigger, lock-off switch and electronic motor brake for quick controlled cuts and enhanced work safety. Two position blade clamp for flush cutting and increased versatility. DEWALT XR FlexVolt batteries stand at the forefront of cordless technology. They are the world's first convertible 18/54 Volt batteries, offering unprecedented levels of power. Provides the unique ability to power heavy-duty construction power tools whilst still being compatible with existing DEWALT XR 18 Volt products and offering increased runtime. Dewalt 54v FlexVolt Batteries are backwards compatible. The 54v battery will fit all existing 18v XR Tools and perform as an 18v 6.0Ah Battery giving extended runtime. As soon as it is put in any of the new 54v Tools it offers 3 x the power of 18v.This item is a naked unit.