RYOBI 18V ONE+ introduces lithium-ion performance at Ni-Cd prices. This kit is powered by new lithium-ion batteries, the very best value in lithium-ion performance. They hold a charge 4X longer, offer up to 20% more runtime and are 45% lighter weight than Ni-Cd batteries. Batteries stored on the IntelliPort charger are conditioned for peak performance. The drill includes a 1/2 inch heavy-duty single sleeve, keyless chuck with 24 position clutch to match your drilling and driving needs. A variable speed trigger and 1,500 in.-lbs. of torque provide control and power when driving long and large screwed or bolts. They both feature the exclusive MagTray and on-board bit storage, which allow convenient placement of bits and screws.