KingLok Male x Tap Shank Adapter
The KingLok adaptors/quick disconnects are compatible with Andale (Snaplok), Lancer Pacific (Fatlock) and other brands of draft beer quick lock fittings that are often seen in commercial pubs and bars.
These fittings include the collet and they attach directly to the back of your tap so the tap fits directly into the KingLok Female (Font Adaptor).
This particular fitting is designed so that the ball bearing lock onto the male piece preventing the tap from rotating.
These KingLok couplers are designed to be a dry break so when you disconnect the male side the flow is cut off.