DeWalt DW2174 Screwdriving Set with Tough Case, 18-PieceFeatures harden steel bits for use in all drill drivers and bit retention system to keep bits secure. Includes assorted size philips, square, slotted and double ended bits. Also includes tough case container. 18 piece Drive type: Square, Slotted & Phillips Drives screws fast Heavy duty magnetic keeps bits in place Bit retention system keeps bits secure Superior quality Includes assorted size philips, square, slotted and double ended bits Also includes