Bosch Bare-Tool PS21BN 12-Volt Max Lithium- Ion 2-Speed Pocket Driver  with Exact-Fit L-BOXX Tool Insert Tray Compact and Lightweight-Shortest height and head length along with lightest weight make this tool great for overhead/tight area work 2 Speeds (1st-0-350 RPM / 2nd-0-1,300 RPM)-Up to 2X Faster driving and drilling than competition Universal Bit Holder-Only universal bit holder in its class which clamps on all common bits (C6+E6) Custom Exact-Fit Tool Inlays-Custom inserts that hold individual tools in place with room underneath to store other tool accessories Tool Only (battery not included)