DEWALT 20V MAX Lithium-Ion Hammer Drill/Driver Kit with 80-Piece Professional Drilling/Driving Set Drill/driver has a compact, lightweight design that fits into tight areas High speed transmission delivers 2 speeds (0-600 and 0-2,000 rpm) for a range of fastening and drilling applications Ergonomic handle delivers comfort and control while 1/2-inch ratcheting chuck provides superior bit gripping strength 80-piece drilling/driving set includes a variety of industrial screwdriving and fastening bits Accessory kit includes magnetic bit tip tray and hard plastic storage and carrying case