The Blue Flame Universal Keys for gas valves fits either a 0, 25 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, The 12 key comes in a polished chrome finish, The 12 gas valve key is used turn your Blue Flame gas valve on and off, Comes in 2 finishes chrome and brass, Assembled Depth: 0, 5, Assembled Height: 12, Assembled Width: 3, SKU: CTRY064