Parts such as the Lh Handle Switch (gs750b): Screw, Plate,switch Knob, Cotter Pin, Cover,clutch Lever are included in the Gs750 1978 (c) Usa (e03) Lh Handle Switch (gs750b) parts fiche.
In this schematic the "Screw" is used most often.
The Lh Handle Switch (gs750b) is made up of components including this Lever Assy,clutch which is the most expensive.