The Alden Broken Bolt and Damaged Screw Extractor 4 Piece Kit combines a two-step drill bit and extractor in a single tool, eliminating the need for multiple tools. It requires no bolt preparation, and its self-centering drill tip prevents walking or wandering during use, ensuring precision without grinding or center punching. Crafted from premium M2 high-speed steel and made in the USA, this kit offers superior durability and reliability for extracting damaged fasteners with professional accuracy.