The patented SureGrip(R) hex design drives the side of the fastener, not the corner. This not only provides increased strength, but also avoids the rounding of rusted or damaged fasteners, which can occur when using a sharp cornered hex tool.
Specifications: Hex Size - 13mm Diameter - 0.75" Overall Length - 1.78"
Caution: Do not use chrome sockets or drive tools with impact or power tools. Such use damages the tool, and may also result in bodily injury.
SK 40563 3/8 In Drive 12 Pt Flex Metric Socket - 13mm
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