JacobsParts 2/0 AWG Insulated Ring Terminal 00 Gauge, 5/16" US Custom Stud Size, Red and Black Boots for Car Audio Amp/High Current Power Cable/Ground Wire: Amazon.com: Industrial & Scientific
Gardner Bender 3/8 in. 2/0 AWG Heavy-Duty Lug Stud (Case of 5) AML-208 - The Home Depot
2/0 Gauge (AWG) Pure Copper Cable Lug Connector Ring Terminals – Windy Nation Inc