摘要 |
A socket includes an outer periphery formed with a contact surface for increasing friction on the outer periphery of the socket. In such a manner, when a small torsion is required to operate a workpiece such as a nut and the like, the socket can be fitted on the workpiece so as to directly operate the workpiece such that a user can use the contact surface to enhance the friction between the socket and the user's hand, thereby facilitating the user gripping the outer periphery of the socket to rotate the socket so as to slightly tighten or loosen the workpiece without a need to use an additional tool such as a socket wrench.
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