Fits at SIX inch rim with a 5.5 inch opening. Generic Plain Top Hatch Cover, named after the hatch opening ID. Same Size as the 6 Inch Star Hatch part number 9810101! The only difference is the name and logo, but otherwise the exact same fit. This should be called a six inch but is often called a 5.5 inch.
Also a match to the Liquid Logic 5.5 inch Hatch Cover (shown to left) and the W logo hatch on Wilderness Systems kayaks (shown to right). Fits other brands such as Mainstream, Native Watercraft, and Future Beach Discovery 124F (circa 2017), originally outfitted with this type of hatch and size. This 5.5 cover is the same as 6 In. Star Hatch Cover and W logo with Cat Bag (named after cover OD) This 5.5 hatch is plain, no logo, star or W.
The hatch cover is 6 1/16 inches O.D. - 5 3/4 inches I.D, and has a tie-off point for an internal leash, leash not included. Best used as a replacement rubber hatch cover. May fit many makes and models of kayaks such as those by Perception and Mad River.
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Important Article: Kayak Hatch Replacement Options - Part I - Rubber Covers
