Is there anybody using this cord with Sunpak 555?
I use it with my Sunpak 555 and Quantum battery on a daily basis. The cord is heavy-duty, reliable, and more than long enough to allow for the flash to be held off the bracket and above head height at full arm extension.
In fact, I have the cord permanently plugged into the Sunpak 555 with a piece of Black Grip Tape holding it in place so I can run the flash cable to the camera without interference or tangling.
I highly recommend this item.