Premium 316 Stainless Steel Boat Fuel Filler – Mirror Polish Finish for Durability and Style Specifications: Material: Stainless Steel 316Surface Finish: PolishSize: 38mm (1.5 inches)Packing: 1 piece Features: High-Quality Construction: Crafted from durable stainless steel 316 for exceptional strength and longevity.Corrosion-Resistant: Offers excellent seawater corrosion resistance and high oxidation resistance.Versatile Compatibility: Designed for 38mm (1.5 inches) diameter fuel hoses, with a high-grade O-ring seal for secure fit. Ideal for boats, yachts, caravans, RVs, trucks, tractors, and trailer fuel tanks.User-Friendly Design: Includes a stainless steel retaining chain to prevent loss or misplacement of the cap. Sturdy and easy to install. Description: Upgrade your marine or vehicle fuel system with the NNEOBA 316 Stainless Steel Boat Fuel Filler. This high-quality filler features a mirror polish finish and is made from durable stainless steel 316, ensuring long-lasting performance even in harsh conditions. Its anti-corrosion and anti-rust properties make it perfect for marine environments, while the 38mm (1.5 inches) diameter ensures compatibility with a wide range of fuel hoses. The design includes a stainless steel retaining chain to keep the cap secure and accessible, making it a practical and stylish addition to your fuel system. Ideal for boats, yachts, RVs, trucks, and more.