Sunex International 3678 3/8" Dr. Deep Universal 12 point Fractional Impact Socket Set, 12 pc. CR-MO alloy steel for long life Lifetime warranty Heavy duty blow molded storage case 12 point design means less wear on fasteners Metric - mm: includes 3/8 inch drive deep universal: 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19