DEWALT DW2161 21-Piece Screwdriving and Nutdriving Set in Plastic Case N/A Imported Hardened Steel Screwdriver Bits 1-inch slotted bit tips in no. 6, no. 8, and no. 10 sizes Square recess bit tips in no. 1 and no. 3 sizes, along with three of the most-needed no. 2 size 2-inch Phillips power bit, two-inch square recess power bit, and 1/4- and 5/16-inch nutdrivers Magnetic bit tip holder and industrial grade case to keep bits organized