Check out any of the nine Cables components enlisted.
Parts such as the Cables: Damper,pilot Box, Cable-starter, Screw-pan-ws-cros,4x6, Nut-hex are included in the Zx750k1 Zxr750r 1991 Europe Uk Fr Ar Fg It Nr Sp Cables parts fiche.
With six applications this Nut-hex is the most specified part.