The Nut is the cheapest item from this partsfiche.
This part-list fiche shows all the components that make up the Gsxr750 1987 (h) (e01 E02 04 06 15 16 17 18 21 22 24 25 34 39 53 Handle Switch (model G/h) .
The Handle Switch (model G/h) is made up of components including this Switch Assy, Handle Lh which is the most expensive.