Sunex 2960SE 1/2-Inch Drive External Star Impact Socket Set, Standard, 6-Point, Cr-Mo, E10 - E24, 9-Piece CR-MO alloy steel for long life Lifetime warranty Heavy duty blow molded storage case Includes most common sizes used for automotive repairs Includes: E10, E11, E12, E14, E16, E18, E20, E22, E24