Lead Quick Connect battery terminals are designed for use on top post batteries. Each terminal is constructed with a two piece design, this allows for you to quickly and efficiently disconnect cables from the battery. The terminals are made with lead to ensure durability. The product fits a 6 to 1 gauge wire and has been identified for use in passenger cars, light-duty trucks, farm equipment, marine, RVs, and ATVs. Product Features:Designed for top post batteriesEasily detaches from the battery for anti-theft and electrical drain preventionFits both positive and negative posts