1x M10 1000mm x 10mm Allthread Hollow Threaded Rod Tube, Electrical Lamp Socket

1x M10 Allthread Hollow (1000mm x 10mm) Tube, Threaded Rod, Conduit For Installation of Electrical Sockets in Lamp Fittings. This M10 Allthread hollow rod, allows you to secure M10 light bulb sockets to your lamp as well as passing through electrical cables to the lamp socket.

eBay