• Mid-length hex bit for additional access to hard-to-reach fasteners
• S2 steel insert bits offer maximum strength
• Heat-treated socket bases provide lasting durability
• Double line (SAE) and knurled (metric) ring help easily identify standard and metric sockets
• Hard stamped size markings
• Bright, full polish chrome finish easily wipes clean and resists corrosion
• Meets or exceeds ASME specifications
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