Including a straight pick, full hook, 90° hook and 45° hook, this set is the ideal product for use on cotter pins, keys, 'O' rings, springs and washers. Comprised of hardened and tempered chrome vanadium steel shanks with a knurled section for precise grip. Finished with an impact resistant square section handles for secure grip even when greasy. Features and Benefits • Manufactured from chrome vanadium steel for overall product durability • Products are hardened and tempered to maintain a good edge even over time • Knurled section allows for precision and use even in awkward and confined spaces • Impact resistant plastic handle for bolstered comfort and grip even when greasy or oily • 4 piece set ensures you'll always have to hand the perfect product for any application Typical Applications • For use when removing cotter pins, keys, 'O' rings, springs and washers