Patent 6845691 was granted and assigned to LG on January, 2005 by the United States Patent and Trademark Office.
A ratchet tool includes a head having a hole defined therethrough in which an engaging member is rotatably received. A chamber defined in the inner periphery of the hole and a pawl is movably received in the chamber. A flange extends from an end of the engaging member and is located outside of the hole. A groove is defined in the outer periphery of the engaging member and two magnetic members are engaged with the groove so that the object is attached with the engaging member by the magnetic members. The object can also be further rotated by rotating the flange.