Description: Marine grade 316 stainless steel, surface polishing Corrosion resistant and durable in saltwater environment Suits 50mm (2 inches) diameter fuel hose Name plate has GAS cast into the face Cap contains a high grade O-ring seal Includes attachment chain to avoid losing or misplacing cap Applications: Boats, yachts, caravans, campervans, trucks, tractors, trailer fuel tanks etc. Specification: Material: 316 stainless steel Color: Silver Bottom Diameter: Approx. 50 mm / 2 inch Surface Diameter: Approx. 78 mm / 3 inch Height: Approx. 80 mm / 3.15 inch Screw Hole Diameter: Approx. 6 mm / 0.24 inch Screw Hole Spacing: Approx. 57 mm / 2.24 inch Package Includes: 1 Piece Deck Gas Fill