General description 100% Brand New Automotive/Aerospace Grade Aluminum Weld On Coating made of high-quality aerospace aluminum. This product meets the requirements of aerospace hose fittings and is perfect for use in fuel tanks, fuel filler tanks, and dry sumps. Technical specifications Cap Diameter: 54mm Cap Height: 15mm Total Height: 56mm Bore: 38mm (1 1/2 inch) Neck Outer Diameter: 44.5mm (with step) Neck Length: 5mm Neck Diameter: 40.4mm Neck Thread: M48 x 2.5 Cap Thread: M48 x 2.5 Color: Silver Other information Package Contents: 2 x Weld Cap Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.