【THE DECK PLATES SIZE】4 inch: Cutout Size 4.4"(112mm) Outside Dimension 5.5" (141mm) Inside Dimension 4"(101.6mm); 6 inch: Cutout Size 6.5"(164mm) Outside Dimension 7.8" (198mm) Inside Dimension 6"(152mm); 8 inch: Cutout Size 8.25"(209mm) Outside Dimension 9.7" (247mm) Inside Dimension 8"(203mm). . 【PREMIUM MATERIAL】Crafted from durable, anti-aging, and UV-resistant ABS plastic, making these round deck plates for boats reliable and long-lasting even in challenging marine environments. 【SECURE SEAL】With its weather-tight O-ring sealed design, our boat inspection deck hatch covers provide a tight and secure seal, keeping the interior protected from water, dust, and other external elements. Whether used for interior or exterior applications, their reliable performance ensures peace of mind in any marine setting. 【SIMPLE INSTALLATION】Featuring a heavy-duty non-slip surface, 180°opening hatches, these marine access hatches allow for hassle-free horizontal and vertical installation, ensuring convenience and ease of use. 【WIDE APPLICATION】Whether you're a boating enthusiast or a professional sailor, our waterproof kayak hatch covers are a versatile addition to your marine equipment. Perfect for marine and yacht use, they serve as access points for deck plates and hatches, route power cords, or act as efficient vent ports. Experience their functionality and convenience on your next marine adventure.

Note:

Please check the size carefully before purchasing, we have three sizes: 4/6/8 inches.

The product does not include screws.

4 inch -Outside Dimension: 5.5" (141mm) ; Inside Dimension:4"(101.6mm)

6 inch -Outside Dimension: 7.7" (196mm) ; Inside Dimension:6"(152mm)

8 inch -Outside Dimension: 9.7" (245mm) ; Inside Dimension:8"(203mm)