2pcs 4/0 AWG 1/4″ Stud Copper Wire Lugs, Ring Terminals, Battery Cable Ends, …
Furthermore, the copper battery lugs are both UL and CUL listed to ensure optimal performance once installed. The Copper Eyelet Connectors are rated to 600V+ and tested to ANSI/UL 486 standard. Lugs are suitable for use with Welding Cables and Battery Cables.