Use with our candle oil and nylon candle accessories. Most nylon candles need to be shouldered or spiked to fit existing candle sticks. For shouldering we need the internal diameter and the depth of the socket or for spiking the base width and height of the spike to ensure a good fit. If in doubt please contact your area sales manager or 01-8098600. NYLON BURNING TIMES - Oil consumption is increased or decreased with the height of the flame. 30mm,35mm & 40mm Burn for 6-8 hours per fill. 50mm will burn for 13-15 hours. 75mm will burn for 18-20 hours. 90mm will burn for 24-40 hours.