Features: brand new and high quality This 18650 battery spot welding pen, suitable for long‑term work, improve work efficiency. Humanized design, one hand easy to master integrated welding pen, easy to grasp, no need to learn, no need for professional skills can also be familiar with the use. High temperature resistance, oxidation resistance and fire resistance. The integrated welding pen is more beautiful and convenient to ensure that the pressure of each welding point is the same. The double pulse can be adjusted respectively, which is suitable for a variety of welding materials and one machine can be used for multiple purposes. Specifications: Material:ABS+Metal Style: Acrylic for Shell with Welding Pen / Acrylic for Shell without Welding Pen / without for Shell with Welding Pen / without for Shell Without Welding Pen Size:11x11x10cm/4.33x4.33x3.93inches Package Includes: 1 Set Pulse Spot Welding Machine Set note: Please allow 0-3mm errors due to manual measurement, make sure that you do not mind before you order.