See EG-500:
STEEL GROUND CLAMPS - 'EG " SERIES
-Unique Design Helps Eliminate Arc Blow and Makes it Easy to Change Ground Location for the Best Results
-Large Contact Area Assures Positive Grounding
-Zinc Plated
-Large Hex Screw Cable Connection assures Safe Cable Connection everytime
-Pure Copper Braided Shunts on EG-500 allows both Jaws to carry Welding Current
Amperage Capacity: 500
Jaw Opening: Up to 2" (40mm)
Cable Capacity: 1/0-4/0
Length: 10"
Weight: 17oz
Ctn: 10