Forged from high quality CR-MO alloy steel for long life. Allows 15 degrees of movement in all directions to enable access to hard to reach fasteners. Durable plastic tray packaging provides convenient tool box storage. Fully Guaranteed Sunex new 3/8" drive impact wobble extension set, provides the reach and the flexibility often needed by today's technician for those hard to reach fasteners. With 15 degree of swivel in all directions the user now has access to fasteners difficult to reach with standard square drive extensions. Packaged in a convenient, tool box ready plastic tray and backed by Sunex Tools , the 3504 is sure to be a hit with technicians everywhere.