The DEWALT Drill and Tap Set is a set of high-speed steel drill bits and taps for creating and threading holes in metal, wood, and plastic. The set includes 29 pieces: 5 drill bits in sizes 1/16" to 1/4", and 24 taps in sizes 4-40 to 1/4"-20. The drill bits have a 135-degree split point tip for fast, easy drilling and clean holes. The taps have a spiral flute design and are made of high carbon steel for durability and long tool life. This drill and tap set is ideal for automotive, metal fabrication, machine shop, and general maintenance and repair applications. The set comes in a molded case for storage and portability.