Brass Candle Cap 8cm in diameter, suitable for altar candles 3 Inch in diameter. This size of candle cap is suitable for a 3 inch diameter Easter Paschal Candle. Candle caps are also known as guttering caps or candle followers. These brass candle caps are ideal for use with church altar candles, helping to stop the dripping of wax along the candle length. Correctly sized and fitted candle caps will ensure maximum burning time, and minimize the problems with burning candles in drafty churches.