ITEM NAME:2 Pairs 4 AWG Ring Terminals Wire Cable Connectors Corrosion Resistant Description: 2pcs black terminals and 2pcs 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: 2 Pairs Ring Terminals SKU: DMO0021942452016450.Gold-plated brass, corrosion Resistant. SKU: DMO0021942452016450.