Item Type: Boat Deck Filler Material: Stainless Steel 304 Scope of Application: Marine, Yacht, Dock Features: Corrosion Resistant, Rust Resistant Size: - Large Diameter: Approx. 73mm / 2.9in - Small Diameter: Approx. 39.4mm / 1.6in - Height: Approx. 85mm / 3.3in Mirror Polished: The boat deck filler has a mirror-polished surface, highly resistant to corrosion in saltwater environments. Keyless Design: Features a keyless design with logo letters printed on the surface for easy identification and use. Applicable Objects: Widely used in ships, yachts, boats, caravans, and trailer fuel tanks. Stainless Steel Construction: Made of premium stainless steel 316, effectively resisting sea salt corrosion and providing rustproof performance. Bead Chain: The cap is connected to the body with a stainless steel bead chain, helping prevent loss of the cap.