A sample from the products for the Handlebar ('80-'81 Ke175-d2/d3) include: Bolt-hex Head,6x25, Screw-cable Adjust, Nut-lock, Mirror-assy,rh.
With four applications this Washer-spring,8mm is the most specified part.
The most reasonably priced component used on the Ke175-d2 Ke175 1980 Usa Canada Handlebar ('80-'81 Ke175-d2/d3) is the Washer-plain-small,6m.