Drill bits can be used to drill metal, wood, and plastic * Driving bits crafted from high-grade S2 tool steel, helps provide excellent wear resistance * Quik-Lok bit system allows change of drilling and driving accessories quickly and easily * Includes Thunderbolt black oxide drill bit set ranging from 1/16-inch to 1/4-inch bits * Also includes magnetic drive guide, wide assortment of Phillips, square recess,Torx, Allen/hex,slotted, power bits