Specifications Material IronColor MulticolorsCurrent 200A 300A 600AFeatures Fast set up and grounds instantly Simply place on clean surface and turn on then start welding No more tacking on tabs or searching for grounds Stays clean because magnetic field turns completely off Strong grip on flat or round surfaces Precautions All magnets must be stored at a safe distance from magnetic storage devices electronic products and credit cards Make sure that the grounding device is in the off state when it is not in contact with the ferromagnetic material It can be freely controlled to open and close When the ferromagnetic material is opened and connected it will produce sudden and powerful suction Do not use welding grounding to lift or transport materials Not allowed to be used underwater or in hazardous environments unless specifically designed Please do not use if the product is damaged or does not work properly If it is used incorrectly it will cause serious injury Do not expose the product to temperatures above 80 ° C High temperatures will permanently reduce the effectiveness of the magnet and cause unsafe conditions The grounding device will not overheat at rated current or below rated current Always keep the bottom of the magnet clean and free of impurities and rust If you need to use anti rust oil to clean To avoid overheating and particle penetration do not place the magnet in the flux during fusion welding Package Included 1 x Magnetic We