Sunex 3654 3/8-Inch Drive Standard Fractional Universal Impact Socket Set, SAE, 6-Point, Cr-Mo, 3/8-Inch - 3/4-Inch, 7-Piece CR-MO alloy steel for long life Lifetime warranty Heavy molded storage tray Includes most common SAE sizes used for automotive repairs SAE - inches: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4