Sealey Stud Welding Kit 230V. Contents: Welding Gun, Power Unit, Quick Puller, Electrodes for Welding, Washers; Round (x10), Triangle (x10), 55 x 22mm Tabs (x10), M4 x 15 Studs (x10), M4 Puller Washer, Earth Bars; 70mm (x2), 155mm.