T-H Marine Supplies, LLC has been serving the marine industry since 1975. We are constantly striving to develop new and innovative products to offer our OEM and After-Market customers. We have a longterm commitment to providing quality products and excellent customer service. We are a leading manufacturer of boat parts and boat accessories. Our boat products are found on virtually every recreational boat built in the United States.• Design: Low Profile Twist Out• Shape: Round• Inner Diameter: 5-7/8 Inch• Outer Diameter: 8 Inch• Length: Not Applicable• Width: Not Applicable• Finish: Textured• Color: Black• Material: Plastic (Polypropylene)• With O-Ring: Yes• Quantity: Single O Ring For Watertight Design Quick Twist-Out Lid Fast Access | T-H Marine Supplies Boat Deck Plate