Very nice replica turn signal for front and rear, left and right side on Ducati models listed below:
1988-1990 750 Sport
1987-1990 750 F1 & Laguna Seca
This turn signal has a hollow ~10mm stud that measurses ~17mm long.
This turn signal replaces 400128452 and 067599400. This turn signal can be mounted to stem 28751635 to enable use of a ~12mm stem.