1. Durable: The housing of this hand welding torch is made of quality plastic, ensuring robustness, durability, and a long service life. It features quality chips and a PCB digital circuit for arc welding performance, stable arc output, and smooth welding operations. The arc ignition function makes starting easier and results in a more refined weld pool. 2. Efficiency: With a powerful 4.6 kW output and 6 adjustable current settings (20200A), this welding torch can handle materials with diameters ranging from 0.098 to 0.126 inches. It efficiently welds carbon steel, cast iron, alloy steel, and more. Whether working with thin or thick sheets, you can adjust the welding current to achieve results. 3. Safety: Equipped with an intelligent cooling system, overheat and overcurrent protection, and advanced cooling technology, this 4.6 kW welding torch safeguards internal circuits from damage. The internal copper structure and fan enhance the main transformer's performance, ensuring stable welding current, reducing electromagnetic noise, and improving both safety and welding efficiency. 4. Handheld Portable: This efficiency hand torch is compact (9.84 x 9.84 inches) and lightweight (gross weight: 6.28 lbs.), allowing for easy onehanded operation. It includes a carry bag for convenient transport to worksites, making it suitable for use at home, offices, factories, and various other locations.