Terminal Tender Blocks Specifically designed to safely add up to six different accessories requiring 12 volt power onto your battery, Includes both positive and negative terminal blocks, Stacking ring terminals or loose wire ends on battery posts can cause harm to your accessories, Excellent for UT with added accessories like stereos, GPS, winch, heaters, etc, Fits any Powersports battery with square bolt-in posts, dry or wet cell, CNC machined from billet aluminum, Made in the U.S.A.