Features and Benefits:•Mid-length design for access to fasteners in hard-to-reach places•Off-corner loading reduces fastener rounding•Chamfered opening quickly guides fasteners into the socket•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•Includes 2 socket rails for storage and organization•Meets or exceeds ASME specifications