https://www.ebay.ca/itm/184640774486?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=hZG4pjUGQ6S&sssrc=2349624&ssuid=JWj7hi-sRYK&var=&widget_ver=artemis&media=COPY

Only issue is this one is in the US. But that's what I bought, four and attached them to a pole with a four outlet string light.

Swpeet Vintage 4 Light Sockets... https://www.amazon.com/dp/B073TTZN9Z?ref=ppx_pop_mob_ap_share