Material: Aluminum candle wick sustainers Color: Silver, Size: 1x1x0.5 cm (4mm) How To Use: You can pre-measure and cut your wicks, put and thread them through, pinch the center with a pair of plyers, Tape to the bottom of your candle jar. This wick tabs are very useful and must have for homemade candles. Our Wick Sustainer is 4 mm, made of steel, strong and long lasting. 1 to 4 mm dia meter cotton thread can be used in it. Wax coated wick stick or thread needs to be put inside the hole of the sustainer. Instruction – Carefully press the wick hole so that sustainer’s base is not destroy, else it can creat trouble while using it in the candle.