316 Stainless Steel Fuel Tank Cap Polished Fuel Tank Cap Good Sealing Filling Chain and Cover for Marine Hardware 316 Stainless Steel: Premium 316 stainless steel, rust and corrosion resistant. Good precision: The fuel tank cap has good precision, polishing degree, brightness and flatness. High Quality – The process is rigorous, and every gap in the product is manufactured to the standard. Good Accessory – Best boat accessory that can withstand serious sea performance. Excellent sealing – The rubber sealing ring makes the combination between the cap and the reservoir effective in preventing leaks. Features: Item Type: Fuel Tank Cap. Material: 316 stainless steel. Content: 10 M12*1.5 cap.