Abstract:
An operation cord that is excellent in durability is provided. According to the present invention, an operation cord comprising a cord whose both ends are coupled by means of a coupling portion is provided, the operation cord characterized in that the coupling portion has a first coupling part and a second coupling part which are coupled with each other directly or via a coupling member, one of the coupling parts or the coupling member adjacent to each other has a fitting protrusion, and the other of the coupling parts or the coupling member adjacent to each other has a fitting hole capable of fitting with the fitting protrusion, and the fitting protrusion is a solid body.