Off-corner loading design reduces fastener rounding
Chamfered opening quickly guides fasteners into socket
Serration depth inside the socket is as deep as the fastener hold it in the correct position
Hard stamped size markings
Double line (SAE) and knurled (metric) ring help easily identify standard and metric sockets
Bright, full polish chrome finish easily wipes clean and resists corrosion
Meets or exceeds ASME specifications