• Full polish chrome finish cleans easily and resists corrosion
• 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
• Surface drive technology reduces fastener rounding
• Meets or exceeds ASME B107.1
• Sizes included: 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16"