for Vespa 125 GT/ 150 GL/ Sprint/ 180 SS lens real glass main&dipped beam socket: BA20d parking light socket: Ba15s w/o bulbs with headlamp rim, with socket DGM mark Grade A – perfect repair Product description Trapezoid headlamp units were installed as of the Vespa GL in many models. Due to the low light output of the 6V plant, an optimum reflector and a clear headlamp diffuser are indispensable. For this reason, we have also compiled a varied selection for you in this area. BOSATTA offers a budget replacement with a plastic headlamp diffuser including lamp ring, ELMA and SIEM deliver their products with a real glass headlamp diffuser and lamp ring including socket. The SIEM version also has the IMG quality mark and an embossed SIEM logo on the lamp ring.