Amazon.com: 10pcs 6 Gauge 6 AWG x 5/16” Pure Copper Cable Lug Terminal Ring Connectors with Dual Wall Adhesive Lined Red + Black Heat Shrink Tubing – by WNI : Industrial & Scientific
DJ4318CT - Tin Plated 16-14AWG – 5/16" Stud Open Barrel Ring Terminal | Ferrules Direct