Our "bulb" advice for your suspension / lampshade :
* We advise you to use for this suspension (lampshade) large LED lamps - E27 "Globe" style, as offered by OSRAM for example.
The suspension (lampshade) is delivered with cable clamp and cable tensioner. The electrical components are CE-IMQ certified (IMQ: the main Italian certification body).
.... and of course this suspension is a unique piece!