Tomshine DIY Integrated Copper Spot Welding Pen Built-in Spring Pressure Adjustable Screw

This is a kind of fine quality spot welding pen the main copper rod is made of 4*15MM copper and the spot welding cliphead adopts 5*20mm copper to enhance the heat dissipation capacity which ensures that there is no temperature rise and heat in large batch spot welding. Built-in double springs in the handle and equipped with pressure adjustable screws -clockwise rotation to increase pressure clockwise rotation to reduce pressure. You can have a try. Features: The main copper rod is made of 4*15MM copper and the spot welding cliphead adopts 5*20mm copper to enhance the heat dissipation capacity which ensures that there is no temperature rise and heat in large batch spot welding. The conductivity of copper is 3-5 times that of brass with larger spot welding power and it is more stable. The outshell of handle is made from pom material with high hardness fine wear resistance -broken and practical. Built-in double springs in the handle and equipped with pressure adjustable screws -clockwise rotation to increase pressure clockwise rotation to reduce pressure. Built-in trigger switch one-handed operation no foot pedal. The distance between two is short you can use to welding narrow nickel plate and the two neddles will keep vertical for increase the pick-up current. Specifications: Name: Spot Welding Pen Material: copper Type: spot welding pen without neddles spot welding pen with neddles spot welding pen with 550mm 25 square lug spot welding pen with 25 square connector (optional) Item size: 165 * 45mm / 6.50 * 1.77in Package size: 175 * 100 * 120mm / 6.89 * 3.94 * 4.72in Package weight: 1000g / 2.20lb Packing List: 1 * Spot Welding Pen