The Blue Flame Universal Keys for gas valves fits either a in, or 0, 3125 socket, Our Blue Flame key comes in eight colors to choose from and is available in 3 and 8 sizes, The brass and chrome keys also come in 12, 18 and 24 sizes, Choose from an array of colors for your hearths decor, This key comes in a polished brass finish, The blue flame gas Valve Key will fit a 0, 25 and a 0, 3125 gas valve stem, The 18 size key comes in 2 colors to choose from chrome and brass, Assembled Depth: 0, 75, Assembled Height: 12, Assembled Width: 3, 5, SKU: CTRY065