Bosch Bare-Tool PS31BN 12-Volt Max Lithium-Ion 3/8-Inch 2-Speed Drill/Driver  with Exact-Fit L-BOXX Tool Insert Tray Short height, head length and light weight make this tool great for overhead and tight area work Single sleeve chuck is 3/8-inch to accommodate 90-percent of common applications Fuel gauge feature for easier battery management and continued work Custom Exact-Fit tool inlays included for idea storage Includes bare tool only (battery not included)