This item is a DIY spot welding machine set. Small size, lightweight, this kit is easy to carry everywhere for welding work, 3 gears adjustable design, can be used to weld 18650/26650/32650 battery. Features - Color: Black - Material: Copper, PCB board - Size: 8.00X4.00X1.00cm/3.14X1.57X0.39in - Voltage: 12-14.6V - Working current: 90-150A - Complete set for 32650, 18650 and 26650 battery welding. - A good substitute DIY welding kit for broken or worn out one. - Adopt premium copper and PCB board material for durable use. - Small size, lightweight, you can carry it everywhere to weld. - Can be given as a present to your DIY lover family and friend. Package list: 2 x Heat Shrinkable Tubes 2 Soldering Pens with Wires 6 Ring Lugs 2 x Battery Connection Lines 3 x M5 Screws 1 x Spot Welding Main Board 1 x About 80cm Nickel Sheet for Practice