6 Gauge Tinned Copper Lugs are made from 99.9% pure annealed tinned copper, providing a high degree of conductivity for maximum current flow. This particular variant comes with a wider pad offering a larger clamping surface and is generally suitable for use with 6 Gauge Battery Cable & 5/16" (M8) Stud.
https://selterm.com/collection....s/6-awg-tinned-coppe