Get exceptional driving capacity for collated fastening on drywall and fencing jobs. The Power Unit for Milwaukee’s Sharp-Fire® Screwdriver System provides exceptional performance and durability for collated fastening. The powerful 6.5-amp motor delivers up to 4,000 RPM with variable-speed control and reversing. Its metal gearcase and heat-treated, machined steel gearing are built for durability under heavy-duty use. The ergonomic handle design aligns your hand pressure with the drill’s center axis for efficient, driving force.