The Wurth Limited Edition 31-pc ZEBRA Drill/Screwdriver Set, No. 0624932020, includes high-performance drill bits with unique SMART STEP-technology, a magnetic 1/4" bit holder, common bits, and magnetic socket wrench blades for use in drill drivers. The set is ideal for quickly drilling precise circular holes in steel, aluminum, non-ferrous metals, plastic, hardwood, and softwood without centerpunching. The set comes in an exclusive, high-quality metal box.