A fixture according to an aspect of the present disclosure includes a shaft portion, a first fixing portion, a spacer, and a second fixing portion. A connection portion passing through the inside of the spacer and being connected to both the shaft portion and the second fixing portion is provided inside the spacer. The shaft portion includes a first hard resin portion, a second hard resin portion, and a soft resin portion. A soft resin portion is interposed between the first hard resin portion and the second hard resin portion so that vibration transmitted from either the first hard resin portion or the second hard resin portion to the other can be dampened.