kinds of welding clamp earth clamp 300A 500A 1.200A, 300A, 400A, 500A, 600A 2.MOQ: 500PCS 3.factory sale Inquiry will be offered within 24 hrs,pls contact us if you are interesting in our products. kinds of welding clamp earth clamp 200/300/400/500/600A Material: iron/copper is availablePackage :50pcs /ctn.MOQ: 500pcs. kinds of welding clamp earth clamp 300A 500A