Metabo BSZ14.4 14.4-Volt Cordless Drill/Screwdriver 14.4-volt cordless drill/screwdriver delivers up to 487 in./lbs. of torque 2-speed gearbox provides no to load speeds of 0 to 400 RPM and 0 to 1,400 RPM Air-cooled charging system offers 30-minute charging with up to 2,000 charges per battery Includes keyless 1/2-inch chuck and ergonomic, rubber-coated T-handle 3-year limited warranty; drills up to 1/2-inch holes in mild steel and up to 1-3/16-inch holes in wood