Armstrong Industrial Hand Tools have a heritage of Made in the USA since four brothers founded the company in 1890. This Armstrong brand product is built from premium materials and workmanship ensuring unequalled strength, toughness, and durability. Product Type: 3/8-Inch and 1/2-Inch Drive Standard Length Hex Driver SAE Socket Set Finish: Full Polish Chrome Holder, Black Oxide Bit Length Format: Standard Drive Tang Size (Inch): 3/8 Drive Type: Hex Bit SAE/Metric: SAE Set Size Range Min: 1/8 Set Size Range Max: 5/8 Set Included Storage: Metal Socket Rail Set Piece Count: 10 ASME Specification: - US Federal Specification: -.