Originally Posted by Bleeds
Pretty sure those were a Cooper-T creation. There was a post not too long ago about them on here that had some pretty nice photos to go along with.
I have a set that are anodized blue and have PMI stamped on them. I dug them up from the bottom of the discount/used bin at the local shop about 20 years ago. 1-ASA adapter and 3-bottle adapters. They always wobbled and leaked half the time plus the length they added just made them cumbersome.