With locknut- (used for carburettor box/throttle cable Vespa VNA, VNB, VBB, Sprint150, Rally180, Rally200, PX80, PX125, PX150, PX200, Cosa). Adjusting screw with fine thread for the throttle cable preload of the carburettor box of the Vespa.
This product would be ideal for classic or vintage Vespa riders who prioritize performance, reliability, and easy adjustments.