Detent Grooves Four detent grooves in the socket drive end provide a secure connection with spring-loaded detent balls of a drive tool, ensures the sockets wont slide or drop.
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Radius Corner Design Reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners, avoid stress concentrations that can cause cracking.
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Size Markings Die-stamped size markings are easy to read and quick socket identification.
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