Ground Clamp, Welding Tool, Metal Clamp, Earth Clamp high quality and competitive price good insulation Ground Clamp, Welding Tool, Metal Clamp, Earth Clamp material : aluminum, brass , plastic , copper or steel is according to your request.300A, 500Aproviding differen style earth clampeasy to handle and durable useOEM is available if you want to know more information, please contact us.