KAT5 Terminals Battery Post Adapters are the best way to maintain your vehicle's stock wiring when using KAT5 multi-connection battery terminals. Simply remove one of the insulated wing nuts, replace it with the post adapter, slide the stock wiring connector over it, and tighten. Made of corrosion-resistant stainless steel to perform year after year, worry free.• Allows your vehicle's stock wiring to fit KAT5 Terminals• Made of stainless steel• Lead-free and corrosion-resistant Slide stock wiring connector over adapter & tighten Made of corrosion-resistant stainless steel | Lynx Terminals KAT5 Terminals Battery Terminal Post Adapters, pair