General description Sealey AK5711DB Drill Bit Sets Combination Display Box includes six 18-piece combination drill bit sets, designed for a variety of surfaces such as steel, cast iron, wood, and brick. Each set is supplied in a cylindrical plastic storage case, making it easy to organize and access the bits. Technical specifications Model No.: AK5711DB Contents of each 18-piece Combination Drill Bit Set: 6 x HSS Roll Forged Drill Bits (Ø3, 4, 5, 6, 8, 10mm) 6 x Milled Flute Sand Blasted Masonry Drill Bits (Ø3, 4, 5, 6, 8, 10mm) 6 x Brad Point Wood Drill Bits (Ø3, 4, 5, 6, 8, 10mm) Usage Suitable for drilling into various materials including steel, cast iron, wood, and brick.