- Material: Constructed from high-quality carbon steel, ensuring durability and long-lasting performance for all your drilling needs. - Versatile Sizes: This set includes drill collar sizes of 3, 4, 5, 6, 8, 10, and 12 mm, providing you with the flexibility to tackle a variety of projects, from woodworking to metalworking. - Complete Package: Each set comes with 7 drill collars and a wrench, offering everything you need to securely hold your drill bits in place and achieve precise drilling results. Key Benefits: - Enhanced Stability: The drill collars provide a secure fit for your bits, minimizing slippage and ensuring accurate drilling every time. - Easy Compatibility: Suitable for use with a wide range of drill types, making it an essential addition to your toolkit. - User-Friendly Design: The included wrench allows for quick adjustments, saving you time and effort during your projects. Practical Applications: - Woodworking Projects: Perfect for securely drilling into various wood types, ensuring clean and precise holes. - Metal Fabrication: Ideal for metalworking tasks, allowing for reliable drilling in steel and other metals without damage. - DIY Home Repairs: A must-have for any DIY enthusiast, this set helps you efficiently handle repairs and installations around the house. Elevate your drilling capabilities with this comprehensive carbon steel drill collar set. Its robust construction and variety of sizes make it an indispensable tool for both professionals and hobbyists alike.