General description The Makita D-47173 18 Piece Mixed Drill Bit Set is designed for versatility, featuring a comprehensive selection of drill bits suitable for wood, metal, and masonry applications. This set includes a total of 18 drill bits, ensuring you have the right tool for various tasks. Technical specifications 18 piece mixed drill bit set HSS Metal Bits: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Wood Bits: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Masonry Bits: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Other information Supplied in a robust metal storage case