- Durable Titanium-Coated Bits: Made from titanium-coated high-speed steel, these drill bits offer exceptional durability, lasting up to 6 times longer than standard drill bits. The titanium coating enhances surface hardness, improves accuracy, reduces friction, and helps manage temperature and wear, boosting overall drilling efficiency. - Comprehensive Drill Library: This set includes a carefully selected range of the most popular metric drill sizes, available with 5 or 10 spare bits to prevent downtime from wear. Covering sizes from 1.0 mm to 10.0 mm, these bits are compatible with any standard drill, making them ideal for both DIY enthusiasts and professionals. - Organized Storage Case: The drill bits are housed in a sturdy storage case that secures each bit in its designated compartment, protecting them from damage. The sizes are clearly printed on the case for quick and easy access, ensuring you find the right bit without wasting time. A robust steel lock keeps the case securely closed during transport. - Versatile Applications: This 99-piece set of jobber twist drill bits is perfect for a wide variety of tasks, including drilling into wood, metals (iron, copper, bronze), hard plastics, and perspex. Whether you are engaged in DIY projects, repairs, maintenance, construction, or woodworking and metalworking endeavors, this comprehensive set meets all your drilling needs. - Essential for Every Workshop: This durable and versatile set is a must-have for any home, workshop, or garage, providing you with the tools necessary for efficient and effective drilling across multiple materials.