Bosch 1/2 In. 36 V Lithium-Ion Brute Tough™ Drill/Driver

36 V Lithium-Ion Brute tough drill driver features unibody powertrain, keeps gears in alignment for the most durable drive train on the market. Metal reinforced collar provides enhanced durability when dropped on the chuck. Durashield housing is constructed to withstand real world conditions. Easily accessible brushes for quick maintenance with minimal down time. Ratcheting single sleeve 1/2 In. chuck with carbide tipped jaws have stronger bit retention. Lithium-Ion battery technology.