attractive antenna fittings.

Can anyone identify what these rather attractive antenna fittings are?
http://www.thereminworld.com/Pics/gallery/JamesJacobson/front.jpg
I've been through a few plumbing and pneumatic/hydraulic supply catalogues and can find similar things but nothing quite as swish looking.

They look to me like compression fittings for automobile oil coolers or transmissions/transaxles. The gold color may be a plated or anodized finish. Check out custom car engine fittings.