Compare Maximum number of 4 items selected OTC 3/8 Inch Drive 3mm Metric External Hex Socket - 6171 Part #: 6171 Line: OTC OTC 3/8 Inch Drive 3mm Metric External Hex Socket 1 Year Limited Warranty Drive Size (in): 3/8 Inch Socket Size (mm): 3mm Number Of Points: 6 Overall Length (in): 2 Inch SAE Or Metric: Metric Socket Type: External Hex Bit Size (mm): 3mm Show More Show Less