4oz tank measurements: 1 3/8 H x 2 W x 4" Long. DuBro Fuel Tanks are designed to be tough! These fuel tanks will not split or crack from vibration or pressure. In fact, our fuel tanks can be used with pressurized fuel systems! Comes complete with all hardware. Du-Bro Fuel Tanks can be used with either glo-fuel or gasoline if you purchase our DB400 Gasoline Conversion Stopper and replace the clunk tubing to suit petrol.