Outer Width: 375MM. Outer Length: 370MM. This easy to fit inspection hatch is a really useful item and would look great on any boat. It has a rubber seal as well as two locking handles which have been made from synthetic materials to ensure that when closed the hatch is watertight.
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Kayak Boat Hatch Cover Kit Marine ABS Kayak Deck Plate,Kayak Round Hatch Cover Kayak Accessories,6Inch-A02G
Aliexpress UK
Marine Boat Yacht Inspection Deck Plate Hatch Round Detachable Cover. ⚓ Non-slip surface with reinforced structure for added reliability. ⛵ High-quality ABS material, UV & corrosion resistant for long-lasting use.
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Marine Deck Square Hatch And Red Waterproof Bag For Boat Kayak Canoe Boat Parts Accessories Drifting Water Sports
Aliexpress UK
Available in locking and non-locking options.
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6" Marine Round Hatch Cover Kayak Boat Deck Plate With Storage Bag Brand New
Aliexpress UK
Low profile hatch, designed for installation on internal or external flat surface. Reinforced lid with non-skid surface. Protrusion above deck: 17mm. Intrusion below deck: 26mm. Heavy duty, UV stabilised white ABS construction.
eBay
Outer Length: 315MM. Outer Width: 440MM. ABS plastic is UV resistant, anti-ageing and non corrosive. White Boat Deck Plastic Access Panel Cover.
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Flush hinges. It can be installed on any sports craft, boat design category A, B, C, and D, area II a, III, IV. - cut out size: 445 x 390 mm. Browse Range. Finish: black. Designed By Jarilo Design. Walking surface.
eBay
Premium Grade Deck Access Hatch. Anti-Skid Design prevents falls and accidents on deck. Cross-Cut diamond surface pattern. Reinforced lid cover to support increased weight. Use #10 size screws or thru-bolt (Not included).
eBay
Low profile hatch, designed for installation on internal or external flat surface. Reinforced lid with non-skid surface. Protrusion above deck: 17mm. Intrusion below deck: 26mm. Beware of inferior non-genuine products on the market that claim to be just as good.
eBay