Constructed of high-grade Chrome-vanadium alloy steel; chrome-mirror finish * 1/4-Inch drive - 5/64, 3/32, 1/8, 5/32, 3/16, 7/32 and 1/4-Inch * 3/8-Inch drive - 9/32, 5/16, 3/8, 7/16, 1/2-Inch * 1/2-Inch drive - 9/16-Inch * Secure-fit latched ABS carry and storage case