This Makita 18 piece mixed drill bit set is designed for versatile drilling applications. It includes 6 drill bits for wood, 6 for metal, and 6 for masonry. The set comes in a robust storage case for convenient organization and transport. Features: 18 piece mixed drill bit set, 6 drills for drilling wood, 6 drills for drilling metal, 6 drills for drilling masonry, Robust storage case.