WeldingCity Arc Welding 300Amp Ground Earth Clamp Premium quality brand-new 300 Amp ground/earth clamp for arc welding. Current rating: 300 Amp Strong spring, copper plated jaw and copper braid You get One (1) 300Amp ground earth clamp at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.