Twin Hold-on, Open ended
Twin hold on connector - closed ended
Single Euro Style Clip-on Connector. Male, open or closed. 6mm or 8mm tailpiece
Single Euro Style, Clip-on Connector, Female thread
Euro Style Large Bore, Clip-on Connector,Male, open or closed, 6 or 8mm tailpiece
Clip-on Connector, Large Bore, 1/4" Screw Thread