The Ryobi 18V ONE+ Lithium-ion Starter Drill Kit features a 3/8 in. keyless chuck with a 24 position clutch that adjusts the torque output to control the depth of the screw or fastener. The drill also features the exclusive MagTray and on-board bit storage, which allows convenient placement of bits and screws. This 18-volt Drill Kit is powered by a new and improved lithium-ion battery, the best value in lithium-ion performance. It holds a charge up to 4X longer, offers up to 20% more runtime and is 45% lighter weight than Ni-Cad batteries. Best of all, like all 18-Volt ONE+ batteries, the included lithium battery works with every Ryobi 18-Volt ONE+ tool ever made.