[QUALITY]: Heavy duty, drop forged industrial Cr-V Steel to handle extreme levels of torque changes.
[DURABLE]: Corrosion Resistant Black Phosphate Coating for maximum durability against rust and wear.
[EFFICIENT]: 6 Point Hex Socket Design prevents round off deterioration during high torque use.
[CONVENIENT]: High Contrast Laser Etched markings for easy identification of pieces and sizes.
[SIZES]: SAE 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 inches; Metric 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm