FEATURES: 1/2″ Heavy-duty keyless chuck Over molded grip for comfort 360˚ side handle for better leverage Electronic performance monitoring system provides longer battery life Charging time (using LBC-81B charger): Usable: 45 minutes; Full: 60 minutes LED work light Rugged all-metal gear system Fan-cooled motor for long life SPECIFICATIONS: High capacity battery: 21.6V LI-ION Variable speed / reversible: Low: 100-400 rpm; High: 350-1500 rpm High speed masonry drilling: 1,500 rpm / 27,000 bpm Blows per minute: Low: 1,800-7,200 bpm; High: 6,300-27,000 bpm Clutch torque: 8.8 to 61.0 in-lb (3.0 in-lb per stage, maximum torque at drilling position is stage 16), 18 stages The LHD-216 provides the same heavy-duty drilling and bit driving performance as the LDD-216 drill/driver, plus it offers the hammer function for drilling up to 1/2″ holes in masonry and up to 5″ holes in plywood. It is truly a multi-purpose tool. Turn the chuck collar to any of the 18 clutch positions for bit driving, or to the drilling or the hammer drill position. Yet with all of these functions, it only weighs 5.6 pounds.