ITEM NAME:Brass Clamping Ground Wire Clamping 500A 32mm Jaw Opening Description: 32mm / 1.25-Inch jaw opening For medium duty use with large contact area assures positive grounding Oval point screw cable connections make installation easy, assuring good, safe cable connections Unlike steel clamps, the body is made of all copper and is therefore heavy and reliable. Professional 500A welding grounding clamp grounding bracket for MIG MMA TIG welding machine. Package Includes: 1 Piece Welding Ground Clamp SKU: DMO0013435773005184.Professional 500A welding grounding clamp grounding bracket for MIG MMA TIG welding machine. 1 Piece Welding Ground Clamp. Oval point screw cable connections make installation easy, assuring good, safe cable connections.