Hitachi 728092 40 Piece Screwdriving and Nutdriving Set Works in all drills Includes bits to fix virtually anything around the house Black plastic carrying case holds and guides screws in correct position with wobbling Contains 18 assorted 1-inch insert bits; 14 assorted 2-inch power bits; 4 assorted 3-1/2-inch power bits; 3 magnetic nut setters 5-year limited warranty