Item Type: Battery Spot Welding Pen_x000D_ Material: Brass_x000D_ Working Voltage: DC4-12V_x000D_ Working Scenarios: Battery spot welding for home and industrial use1High Efficiency: Battery spot welding pen adopts thick copper strip, which is conducive to improve the efficiency and suitable for long time use. 2Integrated Design: Automatic trigger spot welding pen adopts integrated design, which is beautiful and neat and has good heat dissipation effect. 3Retractable Design: Handheld spot welding pen has double springs inside the handle, each pen can be retracted independently. 4Easy to Operate: The automatic trigger spot welding pen has a built in limit switch for one handed operation without a foot pedal. 5Comfortable and Effortless: Battery spot welding pen feels comfortable in the hand, withstands long hours of use, is stable and reliable, and is wear resistant and effortless.This product is an integrated spot welding pen, need to be connected to the spot welder to use, only the welding pen of the spot welder, and can not be used alone.1 x_x000D_ _x000D_ BatterySpotWeldingPen 2 x Touch Device 2 x Spring 1 x Hex Wrench