To provide bushings for fastening which are capable of preventing co-rotating of lenses and fastening parts of two-point spectacles by using simple parts and are usable without using special tools even in a retail store.

The bushing for fastening which is formed to a frustoconical shape having a hole for penetration of the screw at its center and is provided with at least ≥2 needle-like blades for fastening in an axial central direction from the bottom on the outer peripheral surface of the frustoconical shape so as to protrude to an angular form from the apex of the frustoconical shape is inserted into the through-hole for fastening of the two-point spectacle lens so as to be bitten to the fastening parts and the inner peripheral surface of the lens by means of the screw, by which the lens and the fastening parts are fixed and fastened.