Moose Racing Terminal Tender Battery Post Expander Blocks This CNC-machined billet aluminum battery blocks, was developed to improve connections and safety when adding accessories to your vehicle's power system. These blocks enable the secure attachment of up to six 12-volt accessories directly to the battery, offering a solid solution to the common issue of intermittent connections caused by machine vibration during movement. Features: Excellent for UTVs with added accessories like stereos, Gps, winches, heaters, etc. CNC-machined from billet aluminum Includes a positive and negative terminal block Made in the USA