Universal square flange with bushing and matching antique brass 3-in. gas valve key for gas fireplaces. Made of zinc. 4-popular colors. The universal flange fits both 1/2 ft. and 3/4 in. gas valves. The threaded bushing can be extended up to 1.5 additional inches for the 1/2 in. gas valve for a total length of 3.5 in. to help reach the gas valve. The bushing can be removed for a 3/4 in. gas valve. Gas Valve keys fit both 1/4 in. and 5/16 in. gas valve stems.