amarine-made pack of 4 universal kayak scupper plug kit ,fit: hobie kayaks, native kayaks, wilderness systems kayaks, feelfree kayaks, perception kayaks, old town kayaks (blue) amarine made the universal scupper plug kit for kayaks takes all of the guessing out of finding the correct scupper plugs. <br> the plugs prevent all water from intruding into the kayak and will keep you dry out on the water. <br>the plugs will fit all holes between 3/4" of an inch and 1.5" inches. <br>