Scuba diving tank valves (Thermo and Sherwood) and DIN-Yoke fill adapter. Condition is Used. $50 for all three items. I believe these valves are 7/8" thread but not certain. They have been in my dive locker for years and I'm never going to use them. They worked when last taken off tanks, but "as is." Probably could use an overhaul. See Photo. Thought I would offer them here before going to EBay. Thanks for looking.