• Surface drive technology reduces fastener rounding
• Chamfered opening to guide fastener into socket
• Large hard-stamped size identification
• Double line (SAE) and knurled (metric) ring to easily identify standard vs. Metric sockets
• Full polish chrome finish cleans easily and resists corrosion
• Meets or Exceeds ASME B107.5M
• SAE/Metric/Torx: Metric
• ASME Specification: B107.5M
• Fastener Size: 18 mm
• Drive Type: 6 Point
• Drive Tang Size: 3/8”
• Length Format: Deep
• Dim. A: Drive End: 0.937”
• Dim. C: Overall Length: 2.500”
• Dim. F: Length to Shoulder: 1.142”
• Dim. D: Bolt Clearance: 0.335”
• Dim. E: Wrench Depth: 0.421”
• Dim. B: Wrench End: 0.937”