Features: 100% brand new and high quality Good flexibility and aging resistance. High temperature resistance, oxidation resistance and fire resistance. It has strong conductivity. Fine workmanship. Easy to use. 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 When fully loaded, thousands of welding spots can be spot welded. The adjustable current makes the spot welder comfortable to use and easy to learn. Package Includes: 1 Set 18650 Spot Welding Machine Specifications: Material:Alloy Type:European Standard/British Standard/American Standard Szie:10.3x8.3x2.9cm/4.05x3.26x1.14inches note: Please allow 0-3mm errors due to manual measurement, make sure that you do not mind before you order.