Made of heavy duty chrome molybdenum (CR-MO) steel, after heat treatment and forging, it has high hardness and good toughness.
The black phosphate finish to prevent the allen bit socket from rusting, and corrosion-resistant, increase the number of uses.
Double-sided laser, the front is the LOGO word, and the reverse is the scale mark, high-contrast, permanently laser and easy to read, even in low light.
10 Pieces 1/2" Dr. Impact Allen Bit Socket SAE sizes: 1/4"9/32"5/16"3/8"7/16"1/2"9/16"5/8"11/16"3/4".
More competent to work in a narrow space, come with a heavy duty blow molded storage case.