Armstrong 38-117 17mm, 12 Point, 3/8-Inch Drive Metric Standard Socket

• 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

Aeronca x 1 12sr1a1