The Low Profile Deck Fitting is common on the Confluence family of kayaks, such as Wilderness Systems, Perception, and Dagger.

It's best used as a replacement part for kayaks outfitted with Low Profile Deck Fitting, as well as those outfitted with the Star Cleat.

It fits into a concave molding in the deck.

The bottom surface is a matching convex shape.

It's similar to Pyranha, Venture, and P&H deck fittings (HD0900101025).

It comes as a 5-pack of low-profile deck fittings (aka 3455-0098).

1 5/8 inch diameter. 1/2 inch thick.

It secures with a single flat-head screw.