Metal Form is a prominent manufacturer, supplier and exporter of Radiator Accessories, Radiator Caps, Radiator Pressure Caps, Plastic Radiator Pressure Caps, Radiator Filler Necks, Oil / Fuel Filler Caps and many more. Metal Form offers Fuel Filler Cap available with Key Barrel and Filler Neck. This fuel filler cap is in plastic construction lockable type with key lock barrel system, along with a compatible filler neck made of cold rolled low carbon Steel.