Feature: 1. This thread burning pen heats up quickly, and it heats up immediately after pressing the switch, and the is simple. 2. The hot thread pen just clicks to the desired disconnection position, which is fast and convenient. 3. This end of thread pen is a plug‑in pen tip, which is more convenient to replace and easy to carry. 4. The burning thread pen is made of tungsten wire material with fast heat conduction speed, good performance and durability. 5. This thread burning tool has battery positive and negative indication, which is convenient to use and safer. Specification: Item Type: Thread Burning Tool Material: ABS, Tungsten Uses: Used for thread breakage, thread ending, wood heat transfer, thread ironing, wax mold carving Battery: 1 x AA Battery (not included) Package List: 1 x Burning Thread Pen