The Yak-Gear Universal Scupper Plug Kit solves the problem of unknown sizes of lost scupper plugs. Scupper plugs act as sealant to the self-bailing scupper holes to keep extra water out of the cockpit of your sit-on-top kayak. These plugs fit any scupper hole with a circumference ranging from 3/4 inch to 1-1/2 inch. Each kit contains 4 scupper plugs Universal scupper plug fits any hole ranging from 3/4 in. - 1.5 in., Fits many kayaks - including Diablo Paddle Sports Kayaks, Contains 4 scupper plugs, Instructions included, Model Year: 2019, Product ID: 430590, Model Number: SCUP4, GTIN: 0890847002783