Welding Magnet Clamp Holder100% brand new and high quality Set the grounding clamp to complete the welding operation anywhere in a few seconds. Equipment to speed up grounding work. With copper tail with good welding stability. With strong magnetism, large suction. Single absorbable weight 3KG. Specification: Type: welding head(without wire tail with wire tail) Material: copper iron insulation board Disk diameter: 36 mm Size: As picture show Applicable Scope: Mechanical repair