So I have decided that I want to try making some lamp adapters. (things like 20w circline or 35w HPS) However, I have gotten stuck on how to make the lamp base. In
this video, he has some different lamp bases. It seems he has a source for getting these easily but after lots of google searching they only seem to be available from distributors like Alibaba or other sketchy sites. I have also tried taking them off of dead CFL and LED bulbs but that seems to be next to impossible from my experience. Does anyone know a potential source for these? Here's a pic of what exactly I want to get:
