Allows technician 15 of movement in any direction for difficult to reach fasteners. Forged from high quality CR-MO alloy steel for long life. Tray packaging allows for easy toolbox organization. Fully Guaranteed The 2504 includes 3", 5", 10", and 15" wobble extensions to accommodate any application. Forged from the highest quality Chrome Molybdenum alloy steel and backed by Sunex Tool's lifetime warranty the SUN2504 is a must have for all technicians.