4 Gauge AWG Non-Insulated Pure Copper Lugs Ring Terminals Connectors 3 — The Wires Zone
Amazon.com: 8 Pcs 1 AWG x 3/8 Copper Battery Cable Lugs, Heavy Duty Ring Terminals Connectors, UL Listed Bare Eyelets Tubular Ring Battery Lugs for 1 Gauge Wire - Battery Cable Ends : Electronics
1/0 Gauge (AWG) Pure Copper Cable Lug Connector Ring Terminals – Windy Nation Inc