Check the listing for details. Jewelry Laser Welder Workbench Automatic Pulse Argon CNC Spot Welding Machine US. Condition: New, Made in Unknown. Listed at 337.40 USD. Package Included 1* Pulse Argon Arc Welding Machine 1* Welding Loop Clamp 1* Workbench 1* Welding Pen 1* Pressure Gauge 1* Negative Wire 1* Argon Gas Pipe 5* Tungsten Needles 1* Needle Grinder 2* Fuse Tubes 1* Power Cord 1* USB Cable 1* Allen Key 1* English Manual Notes 1.Please beware of electrical safety hazards. Users must hold special operation qualifications. 2.During the welding process, the tungsten needle turns black. Please polish it before welding. 3.Please read the operating manual completely before use. And pay particular attention to the safety instructions included. 4.Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.