Wilderness Systems Skeg control knob & screw.
Suits older model Wilderness Systems kayaks as a replacement skeg control knob with the 3/16 inch diameter hole – includes a 10-32 ½ inch stainless steel flat head screw.
For Confluence brand sea kayaks made 2010 and BEFORE!
e.g. Tempest, Zephyr as well as the Perception Essence and Dagger Alchemy.
(Skeg set up with a steel rod in the control slot, such as the Wilderness Systems Tempest and Zephyr, Perception Essence and Dagger Alchemy).
Model for post-2010 also available or you can drill this one out to the larger diameter hole (5/16)