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 Drive Standard Length Hex Driver Sockets Finish: Full Polish Chrome Holder, Black Oxide Bit Drive Tang Size (Inch): 3/8 Fastener Size: 7/32 Drive Type: Hex Bit Dimension A: Drive End (Inch): 0.675 Dimension B: Nose Diameter: 0.531 Dimension C: Overall Length (Inch): 2.780 Dimension D: Bit Length: 2.000 Exposed Bit Length: Replacement Bit: 94-112 ASME Specification: US Federal Specification: Length Format: Standard SAE/Metric: SAE Replaceable Bit?: Yes.