Elinchrom plug Tip# 24 on Paramount's chart of tips and plugs. Has a large cylindrical connector with a single 1/8 inch pin in center. Metal "screw-in collar" screws into Elinchrom and Prolinga Units. Heavy-duty construction makes this tip reliable and long-lasting without failure.
 

PCLong tip (24 K gold Plated)
 

Household (Gold )
 

Fits Pocket Wizard, Alien Bee, Quantum Radio Slave 2 Transmitter. Also known as 1/8 inch plug, RCA Plug, also know as 3.5 mm Phone Plug.
 

Fits Phase I, Digital back, Wein, Microsync and Venca Radio.
 

Fits M Series Camera with larger non-PC type locking fitting.
 

Small post with spring loaded contact at the tip. Post has 2 small pins to grab when connector is inserted. Insertion is done by pushing down on connector and rotating half a turn to lock connector.
 

Barrel type connection with locking feature.