The most reasonably priced component used on the St1100 1996 (t) Canada Rear Combination Light is the Screw,washer,5x16.
eight components are shown in this St1100 1996 (t) Canada Rear Combination Light exploded diagram.
A sample from the products for the Rear Combination Light include: Screw-washer,5x14, Socket Comp., Housing.,comp.,rr, Bulb,tail Light.