• Off-corner loading design reduces fastener rounding
• Chamfered opening quickly guides fasteners into socket
• 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
• Includes 2 socket rails for storage and organization
• Meets or exceeds ASME specifications