fs25 bimini strut release

I am trying to find the following part:  http://www.ebay.com/itm/Bennington-Marine-Pontoon-Bimini-Top-Latch-Strut-Base-plastic-/331914954011?hash=item4d47ac451b:g:EcsAAOSwIgNXkNF3 I have not been able to locate a part number for this item.  It attaches to the frame of the boat where the...