Bi-metallic lugs come in a variety of sizes to fit a range of cable cross-sections and installation requirements. Standard sizes of bi-metallic lugs are based on the conductor cross-sectional area they are intended to terminate, and these can range from very small through to very large depending on the use and manufacturer. For instance, prominent manufacturers like Pioneer Power I... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php