NEIKO 02431A 3/8 Drive SAE and Metric Deep Impact Socket Set | 21 Pieces | SAE 5/16 to 3/4 | Metric 7mm to 19mm | Premium Cr-V Steel | 6-Point Hex Design | Corrosion Resistant Coating

[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