Description:Stud welding is the method of welding metal studs or otherfasteners on the workpiece. There are many ways to achieve stud welding, andthis product adopts energy storage/capacitor discharge stud welding.Features:1. 6 pieces of collet with different specification can be used to welddifferent studs, meeting your different needs. 2. Ergonomically designed handle fits the palm, comfortable to grasp.3. Adopt premium materials to extend service life.4. Welding nozzle is made of heat resisting materials.5. Mainly used for the welding of metallic materials such as aluminum,brass, copper, steel, etc.Specifications:Color: blackWelding nozzle model 123Gun body length: Approx. 21cm / 8.27inWelding thickness: Approx. 10mm/0.39inTrachea interface diameter: Approx. 10mm/0.39inWeight: Approx. 1010gPackage Includes:1 x Stud Welding Gun6 x Collet1 x Connecting Tube1 x Air Tube1 x ScrewdriverNote:Please allow small deviation due to manual measurement. Thanksfor your understanding.This product needs to be connected to the energy storage stud welding machine to use, the product does not include energy storage stud welding machine requires customers to prepare their own stud welding machine..