Avoids dripping wax. Concealed spring feeds a small inside candle into the flame to provide total burning at a constant height. These 13-3/8" x 1-1/2" tube candles have brasstone tops, and are for use with candlesticks with 1-1/2” sockets. Holds candle that measures 7/8" in diameter. Recommended candle replacement -659830800672.