High-speed steel (HSS) drill bits. 118-degree split point tip drill bit delivers faster penetration with less pressure. Ideal for drilling wood, plastic, or metal. Clearly marked drill bit sizes for easy identification. Includes a storage case for safe, clean storage of bits. Set includes 1/16?, 5/64?, 3/32?, 7/64?, 1/8?, 9/64?, 5/32?, 11/64?, 3/16?, 13/64?, 7/32?, 15/64? and 1/4?.