Fuel valve by Andair of England, precision built fuel valves are made of aluminum and brass with seals individually packed on each outlet. A spring loaded button on the lever must be raised before the lever can be moved to the off position eliminating the possibility of turning the fuel off during flight. Supplied with 9/16″ x 18 UNF flared male outlet fittings. (Size 6D, 3/8″ od tubing) weight 7-3/4oz.