https://www.mccoys.com/shop/p/6915623-052303-20/www.mccoys.com/shop/p/6915623-052303-20/cci-905-1-battery-terminal
Works with battery cables 6 through 1 ga. Side terminal batteries and side terminal battery cables (6 and 12 V only).
Insulation Material
Aluminum/Magnesium