Armstrong 39-021 1/2-Inch Drive 6 Point Standard Socket, 21mm
Product Description Made in the USA – quality and availability. Radius corner design engages the flats of the fastener, not the corners, providing up to 15% -20% more torque while reducing fastener rounding, enhancing the turning of worn fasteners. Eye-d markings optimize size visibility, also providing SAE/ metric differentiation. From the Manufacturer 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: 1/2-Inch Drive 6 Point Standard Socket Product Name: 1/2-Inch Drive 6 Point Standard Socket Finish: Full Polish Chrome Drive Tang Size (Inch): 1/2 Fastener Size: 21 Drive Type: 6 Point Dimension A: Drive End (Inch): 1.126 Dimension B: Wrench End (Inch): 1.126 Dimension C: Overall Length (Inch): 1.457 Dimension D: Bolt Clearance (Inch): Dimension E: Wrench Depth (Inch): 0.799 Dimension F: Length to Shoulder (Inch): ASME Specification: B107.5M-2002 US Federal Specification: Length Format: Standard SAE/Metric: Metric.