20 TIN PLATED Battery Big Copper Lug Ring Terminal Connector #4 Wire Gauge 5/16″ Tin Plated for Better Corrosion Resistance. #4 Wire Gauge AWG 5/16" Stud. They are for a #4 Wire Gauge AWG and a 5/16" Stud. We have kits with all different sizes available. byJuly 3, 2026
