Irwin #4 Screw Extractor & Drill Bit Combo is a reliable solution designed for fast and clean removal of broken studs, bolts, and screws. This combo includes a spiral screw extractor paired with the correctly sized high-speed steel drill bit, ensuring precision and efficiency in your drilling tasks. The extractor is tailored to work with screw sizes ranging from 9/32" to 3/8" as well as 1/8" NPT, making it versatile for various applications. Packaged on a convenient card, this set includes a #4 size bit with an EX-4 shank and a 1/4" drill bit, providing everything needed for effective screw extraction. Model Number: 53704