Photo does not necessarily indicate quantity included. Please read description to see exactly what is included.
The Duraflex O-Ring fits on the slotted groove at each end of the Duraflex Hinge Pin (DF-C203) to keep the Nyliners (Hinge Bushings DF-C209) and Hinge Pin (DF-C203) from working itself out of the Durafirm Hinge.
Two (2) Duraflex O-Rings are needed per Hinge. (Sold per o-ring.)