Solarson Heavy Duty cable Lugs 6 AWG 1/4 Ring 4 Packs, Battery Cable lugs,copper cable lugs,Tubular Ring Terminals Connectors Battery Cable Ends, Bare Copper Eyelets Tubular Ring Terminal Connectors

Product Description Material: pure copper.Allows maximum conductivity  color: pure copper color Easy to Identify:Wire&stud size stampted on pad Easy to install :bell shaped barrel entry for easy cable insertion Closed end design :seals out moisture&prevents leakage Voltage rating: 600-volt maximum voltage  Operating temperature range: 257°F (125°C)  Reliable quality copper lugs for wide application: -Battery and welding cables -Boat wiring and trolling motors  -Atvs, Rvs and Golf Carts  -12 V solar panels and inverter cables  -Back-up power and battery banks Please note: It is highly recommended that you use a lug crimping tool for a proper connection. These are very heavy duty.  The mention of any related model designation above is only for purposes of demonstrating compatibility, not work as brands.