The Screw is the cheapest item from this partsfiche.
Parts such as the Handlebar - Control Cable (vs700glpg/glepg/glph/gleph): Mirror Assy,rr View,r, Screw, Cable Assembly,throttle, Mirror Assy,rr View,l are included in the Vs700glf Intruder 1987 (h) Usa (e03) Handlebar - Control Cable (vs700glpg/glepg/glph/gleph) parts fiche.
On this parts fiche the Clamp(l:125) is the most specified component.