Professional 6"" Power Driver Bit - Flat Head - S2 Tool Steel Our most popular driver bit configuration - built tough for industrial applications Extra-tough S2 tool steel for durability & strength, resists twisting and cam-out 1/4" hex quick-change shank for use with quick-change holders, impact drivers, drill chucks Preferred 6" length provides superior access and ease-of-use Excellent quality, made in Taiwan; sold individually - order in any quantity needed