The Mayhew Tools 36969 Pro Screw Extractor, D 13/16-Inch S 1-3/8-Inch is used for removing broken or seized screws. Hardened steel edges for easy removal of damaged screws. Fluted cutting edges for cutting into screw shaft. A black oxide finish protects against rust. Made in the USA. Over all length: 5-3/8-Inch, body size: 3/4-Inch, body type: Square, screw size: 1-3/8-Inch, drill size: 13/16-Inch. Comes with an unlimited lifetime warranty. Founded in 1856, Mayhew Steel Products (Mayhew Tools) is the oldest punch and chisel manufacturer in the United States. As we’ve grown, there’s only one thing that hasn’t changed—our dedication to quality, reliability, and craftsmanship. That’s why we’ve become the tool of choice for certified technicians and professional mechanics across the country, and have found a home in the belts of do-it-yourselfers as well. Over time our product line has grown but our passion for manufacturing quality hand tools continues as we serve the Industrial, Automotive and Hardware industries. Mayhew is ISO 9001:2015 Certified.