Features 1、The spot welding tool is hand-held, and the ergonomic design is not tiring for spot welding. 2、With trigger switch, the integrated spot welding pen can be triggered instantly, and the operation is simple and stable. 3、Support high current and high power work, load current 1500A, spot welding is more precise and efficient. 4、There are radiating holes all around, so long-term work does not generate heat without interruption. 5、The copper wire of the spot welding pen is long enough to be installed on the spot welding machine and is not restricted by space movement. Specification Item Type: Hand Welding Pen Product Model: S-73B Material: Plastic + Copper Purpose: Install on spot welding machine Maximum Welding Thickness: Approx. 0.25mm / 0.01in Adjustable Solder Pin Spacing: Approx. 3-7mm / 0.1-0.3in Soldering Pin Size: Approx. 35 x 3mm / 1.4 x 0.1in Load Voltage: 4-6V Load Current: 1500A Handle Size: Approx. 50 x 33 x 180mm / 2 x 1.3 x 7.1in Copper Wire Length: Approx. 540mm / 21.3in (including interface length) Package List 1 x Welding Pen(16 Square Copper Wire + O‑Shaped Plug) 1 x Wrench 1 x Slot Screwdriver 2 x Spot Welding Pin 1 x English User Manual