Tungsten wire material provides fast heat transfer, good performance and durability. The material ensures the pen heats up quickly and is suitable for all kinds of wire breaks, knot ends, wood heat transfers, wire ironing and wax mould engraving. Safe and easy to use. The tool has a positive and negative battery indication for ease of use and safety. The clear indication ensures that the battery is inserted in the correct position and ready for use. It provides a convenient and safe option for anyone looking for an easy to use burnishing pen. Fast heating. The hot wire pen heats up quickly and immediately after the switch is pressed. The pen is simple and straightforward to operate and anyone can learn to use it quickly. The pen is for anyone looking for a quick and effective tool for their thread breaking needs. Plugin tip. Our Thread Tail pens have a plugin tip for easier replacement and portability. This makes the Thread Burning Tool for anyone who needs to use it on the go or for a quick fix while travelling. Applications Finishing loose thread ends and knot ends in sewing, crafts, and textiles. Repairing small wire ends or breaks in jewelry making, electronics, and crafts; light wire ironing. Wood burning small designs or heat transfers on wood and wax mould engraving.