Mercury - Battery Multiple Conductor Kit - Fits 12 Volt Battery with 3/8 Inch & 5/16 Inch Studs - 898289T47New Battery Bus Bar Kit allows multiple connection points that result in clean and direct connections for various electrical power needs. This will eliminate stacking of ring terminals and reduce corrosion and loose connections resulting in poor or faulty electrical connections. Kit includes a 3 8 inch and a 5 16 inch mounting plate made of brass with all the fasteners needed for multiple connections. This kit does not include plastic snap on covers