Magswitch Ground Clamp 300AMP Magwitch 300 AMP Switchable Magnetic Welding Clamp A Traditional Welding Clamp Cant Compare Simply place it on a clean work surface, turn it on and start welding It makes welding quicker and easier than ever Fast set up and grounds instantly Stays clean because magnetic field turns completely off Strong grip on flat or round surfaces No more tacking on tabs or searching for grounds Simply place on clean surface and turn on then start welding