Made in the USA - quality and availability. Manufactured from high alloy steel using the most up-to-date manufacturing process and heat treat for greater strength and durability. Meets or exceeds ASME B107.10M and us Federal spec. Gg&g-w-641e.
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: 1/4-Inch Drive Adapter Female Drive Size: 1/4 Male Drive Size: 3/8 Magnetic: No Spring: No Finish: Full Polish Chrome ASME Specification: B107.10m US Federal Specification: GGG-W-641e Overall Length (Inch): 1.138.