Armstrong 10-309 1/4-Inch Drive 12 Point Deep Socket, 9/32-Inch by Armstrong

商品説明

Made in the USA - quality and availability;Radius corner design engages the flats of the fastener, not the corners, providing up to 15-Percent -20-Percent more torque while reducing fastener rounding, enhancing the turning of worn fasteners;EYE-D markings optimize size visibility, also providing SAE / metric differentiation;Unique socket retention method, cold form ball recess, provides consistent secure retention of the socket to the drive tool eliminating the possibility of either a loose fit or tight fit;Socket wall dimensions are optimized to provide strength while retaining access to restricted fasteners