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Socket 1/2" 21 mm, 6-point for drive tools, JCB
Summary description:
1/2" 21 mm 6-point socket by JCB designed for use with 1/2-inch drive ratchets and breaker bars. Provides a 21 mm aperture in a six-point configuration for secure engagement with hex fasteners. Suitable for automotive maintenance, machinery service, and general mechanical repairs where a durable, accurate socket is required.