Designed for 00 (2/0) AWG welding cables and are equally efficient with other gauges including 1/0 AWG, 2 AWG, 4 AWG, 6 AWG, and 8 AWG, but holders are larger than these gauges. Suitable for Battery Types: Optimised specifically for lead-acid batteries, including AGM, GEL, WET, MF and CA/CA types. Leia Mais