Use as a replacement skeg for all Cobra Kayaks. Also fits: Competition CK, Edge 10 (aka Outlaw by On the Edge Kayaks) and kayaks made by OBI (Ocean Boards International, aka Rage Wave). This fin is stock for the Cobra Strike, common on assorted water sport equipment and may be found on some surf kayaks, wave skis and surfboards.
Fin is 3 3/4 inch tall from hull of boat. Screw holes are 5 in. on center, Two Stainless steel ¾ in. (10-32) hex head screws included. Skeg fits into a slot molded in the hull with two nut-serts inbedded in the slot. Made of plastic.