ITEM NAME:5 Pairs 4 AWG Ring Terminals Wire Cable Connectors Corrosion Resistant Description: 5pcs black terminals and 5pcs red terminals. 4 Gauge Power Wire/ Ground Wire Ring Terminals. 5/16"(about 8.5mm) Stud ring diameter. Gold-plated brass, corrosion Resistant. Premium Quality- Heat Tested. Package Includes: 5 Pairs Ring Terminals SKU: DMO0022696852016449.Gold-plated brass, corrosion Resistant. SKU: DMO0022696852016449.