Bosch PS32BN Bare-Tool 12-volt Max Brushless 3/8-Inch Drill/Driver with Insert Tray for L-Boxx Improved runtime: Brushless motor and 2.0-Ah battery provides increased runtime for continuous work in high energy applications 3/8-Inch Single-Sleeve Universal Chuck with Auto-Lock: Newly developed to accommodate 90-percent of common applications 20+1 Clutch Settings and 2-Speed Gearbox: Precise torque adjustment for precise screw driving Interface for Belt Clip/Bit Holder: Easy transportation and storage of bits Tool Only (battery not included)