The versatile and high-quality Hofftech HSS Drill Set - Cobalt Coated - 101 piece is a must-have for every DIYer and professional. This comprehensive drill set is perfect for anyone looking for reliable and durable drill bits for metal, plastic, and wood. The cobalt coating provides reinforced hardness and resistance to wear, allowing you to enjoy Sharp and effective drills for longer. When you're an experienced handyman or just starting out, this set makes every job a lot easier.