Description The Lincoln Electric 300 Amp Grounding Work Clamp is designed to complete electrical circuits to help promote a positive welding arc. This clamp features wide-grip jaws to help ensure a firm connection. Helps ground your work to be welded to a good electrical (ground) earth.Will take cable sizes up to #2/0Cable (not included) connects directly to jawsEnsures that the work cable (not included) makes a good electrical connection with the metal being weldedJaws have a heavy duty spring that compresses the jaws tightly against the metal object1-year warranty