Get your semi truck Ready for the Road Ahead™ with enhanced protection against overpowered or blown circuits, with the HD Value Mini Blade Fuse Assortment. To prevent further damage to other locations when a circuit exceeds a certain power level, this replacement component melts to break the flow. Fashioned with an easy to install design that quicky plugs into fuse boxes. FleetPride is your First Click in Heavy Duty®.