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Socket bit hex Allen 1/2" H4 x 55 mm STANLEY STMT73371-8B
Summary description:
1/2" drive hex (Allen) socket bit H4 x 55 mm by STANLEY, model STMT73371-8B. Designed for use with 1/2" drive ratchets, torque wrenches or impact drivers that accept socket bits. Provides a 4 mm internal hex profile and a 55 mm overall length for accessing recessed fasteners in mechanical, automotive and assembly tasks.