No more returning your cracked hatch lens to the manufacturer, or hiring someone to fix it. Lewmar has designed a replacement boat hatch that is not only easy to replace, but offers incredible strength and is leak-proof. They have fitted the seal and acrylic into the frame and are very easy to install.The friction levers on this hatch allow the lid to remain open in virtually any position up to 95°. It is corrosion resistant thanks to the anodized aluminum frame and is easy to install. Mounting hardware is not included. The cutout dimensions are the cutout dimensions are 10-1/4" L x 10-1/4" W and overall dimensions 13" L x 13" W 1" H.Lewmar, a well-known name among boaters and boatbuilders across the globe, is the world's premier leisure marine equipment supplier, designs, manufacturers winches, hardware, hatches, anchoring and windlass products. Lewmar is proud member of Lippert, a leading, global manufacturer and supplier of products for the RV, marine, automotive, commercial vehicle, and building products industries. Lipper's commitment to their customers-always moving forward. Always making your outdoor experience, whether it is on land or water.