1/0 AWG Tinned Lug is made from 99.9% pure annealed tinned copper, providing a high degree of conductivity for maximum current flow. This particular variant is generally suitable for use with 1/0 or 0 Gauge Battery Cable & 1/2" (M12) Stud.
https://selterm.com/collection....s/1-0-awg-tinned-cop