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The Irwin Cobalt Drill Bit Set is an essential tool for professionals and DIY enthusiasts alike. With a cobalt construction, these drill bits offer superior durability and strength, ensuring long-lasting performance even in the toughest materials. The set includes 21 pieces of various sizes and types, making it perfect for a range of applications including woodworking, metalworking, and automotive repair. Whether you're a seasoned pro or just starting out, the Irwin Cobalt Drill Bit Set is the ultimate tool for precision drilling and fastening. Upgrade your toolkit today and experience the difference that cobalt can make!