Gdnecad 2 PCS Top Post Battery Terminal Cover, Flexible Battery Terminal Protector Positive Negative Insulating Cover, Heavy Duty Batteries Post Protective Caps for Sedan RV Marine

["Reliable Protection: This protective cover fully wraps around the battery terminals, minimizing the risk of short circuits from accidental contact with the vehicle's metal components. It also forms a robust protective barrier against water and dust, maintaining the terminals' normal functionality","Quality Material: Made from high-quality PVC, this terminal cover delivers stable insulation protection to ensure safe operation. Its excellent wear resistance ensures structural integrity even after long-term use, providing consistent and reliable performance","Thoughtful Design: Each package of our product includes one black and one red protective cover. When mounted on the battery terminals, this dual-color design enables quick identification of positive and negative poles, significantly reducing the hassle of repeated checking","Easy Installation: Before installation, turn off the vehicle's electrical devices, put on insulating gloves, then disconnect the battery terminals. Next, fit the covers onto the corresponding poles. Finally, re-fasten the battery terminals and cable connections to complete the installation","Applicable Scope: With an inner dimension of 2.2 × 1.7 × 1.1 inches, this battery terminal protector is compatible with cables up to 4/0 gauge across various vehicles, including cars, RVs, trucks, and boats. Please check the product specifications carefully before purchasing"]