Welcome You are looking at 8 keg beer couplers (aka) Tavern head, They are all in good working order, some never used.

3 domestic for Budweiser products , Coors Light , Miller Lite     3 European Imports like Heineken etc. 1 Huff Stevens 2 prong

used in older kegs for home brews  and a vintage domestic . Please look at pictures and you can see what you are getting.

Worked for a Beer Distributor and retired . letting them go at a good price in this deal, If you know what they are it's a nice deal if you can use them.