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Socket bit 1/2" 21 mm 6-point for impact use, JCB JCB-44521
Summary description:
Impact socket 1/2" (square drive) 21 mm, 6-point design by JCB (model JCB-44521). Designed for use with impact wrenches and ratchets, this hexagonal socket provides secure engagement with fasteners to reduce rounding. Suitable for automotive, industrial maintenance and construction tasks where high torque and durable impact-rated tooling are required.