To provide cuff links that can be reversely engaged to cuffs and that facilitate attaching and detaching of cuff links.

The cuff links each include: a male button 10 in which a link stem 14 with a base stem 15 continued to a conical head 18 at the tip end through a ring groove 17 is raised in the center; a female button 20 in which a sleeve 41 for the conical head to be inserted is raised in the center; locking members 30a, 30b that are inside the female button with an ability to move in the direction attaching to and detaching from the bottom of the ring groove which is continued to the conical head advanced through the sleeve, namely, in the direction y orthogonal to the raised direction z of the sleeve, and that have an outer end part projecting outward from the side of the female button; and spring members 36a, 36b that are inside the female button to force the locking members in a direction abutting on the bottom of the ring groove and in a direction with the outer end part projecting outward from the female button. The locking members are a pair facing each other in the direction y moving attachably/detachably from the bottom of the ring groove, with the outer end parts each projecting outward from the side of the female button, while the spring members are also a pair forcing each locking member in the direction y.

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