Armstrong 39-320 20mm, 12 Point, 1/2-Inch Drive Metric Deep Socket
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. Armstrong brand sockets feature precise geometry for an exacting fit and are designed to withstand the toughest conditions from our factory floors to the U.S. Military. All sockets have a lifetime warranty to back up our commitment to industrial grade tools. Finish: Full Polish Chrome; Drive Tang Size (In. ): 1/2; Fastener Size: 20; Drive Type: 12 Point; Dimension A: Drive End (In. ): 1.075; Dimension B: Wrench End (In. ): 1.075; Dimension C: Overall Length (In. ): 3.205; Dimension D: Bolt Clearance (In. ): 0.650; Dimension E: Wrench Depth (In. ): 1.402; Dimension F: Length to Shoulder (In. ): ; ASME Specification: B107.5M-2002; US Federal Specification: ; Length Format: Deep; SAE/Metric: Metric; Weight (lbs ) : 0.38.