Amazon.com: 10pcs 2 Gauge 2 AWG x 3/8” Pure Copper Cable Lug Terminal Ring Connectors with Dual Wall Adhesive Lined Red + Black Heat Shrink Tubing – by WNI : Industrial & Scientific
2AWG Ring Terminals - Race Spec
Amazon.com: Install Bay Copper Ring Terminal 2 Gauge 3/8 Inch 10 Pack - CUR238 : Industrial & Scientific
PANDUIT S2-56R-X Ring Terminal 1-2 AWG 5/16in Stud PK10 | Gordon Electric Supply, Inc.
Thomas & Betts G2-12 :: Tubular Ring Terminal, Non-Insulated, 2 AWG, 1/2" Stud Size :: Rexel USA