... pads is brass,iron with copper,iron with zinc American Type 500A earth clamp Spring loaded Earth Clamps feature copper braid ... MeasAmerican JC-20222/20 kgs50 pcs 52x39x26 cm Other American type we can supply as following; TypePart No.300A Spring earth ... the requirments of the international markets we also manufactur korean type,hollandtype,Italian type,Germany type,new japanese type,new germany ...