Dextra 01-0152 12-volt Lithium-Ion Cordless Impact Driver Kit with 6-Piece Screw/Socket Driver Bits Lightweight design minimizes user fatigue Include 7 pcs of driver bits and 1 storage case Over 1,017 in-lbs. of torque to perform a wide range of fastening applications 2,000 rpm for faster application speed 1/4 Hex quick-release chuck allows for quick bit/accessory change