Irwin Stud Extractor Set, Drive 3/8in., Carbon Steel

All pieces in this set have 3/8in. square drive and outside hexagon for use with sockets and spanners. Manufactured from carbon steel, the set is ideal for loosening stubborn, rusted or painted on bolts. The set is supplied with various size to suit multiple applications. Features and Benefits • Manufactured from carbon steel for durability • Offers optimum gripping power even on the most stubborn fasteners • Reverse spiral flutes are designed to bite down and effectively grasp the bolt • Grips both imperial and metric nuts for a wide range of uses • Can work with most tools for versatility of use Contents 3/8in., 7/16in., 1/2in., 9/16in. and 5/8in. Typical Applications • Engineering • DIY • Construction