Hitachi 620 watt w8vb2 variable speed screwdriver with adjustable depth setting ideal for teks self drilling screws and drywall screws forwardreverse selection with a lock on button ergonomic body design with soft grip handle with improved handle geometry for greater operator comfort aluminium gear casing for extended product durability soft urethane cover on gear housing prevents damage to the work surface detachable sub stopper for easy bit replacement and an extra long 75m power cord standar