Feature: 1. Protective and Enhanced Safety: The battery terminal boot helps to prevent accidental short circuits and sparks, providing an extra layer of guard for your battery terminals and post connections, as well as starter and alternator connector, 2. 6 Red 6 Black Cover: The battery insulating cover set includes 12 pieces covers for long lasting use, red for the positive terminal and black for the negative terminal. 3. Versatile Application: The battery terminal insulating sleeve can be used for almost any applications and vehicles including boats, cars, commercial and power sports. 4. Easy to Use: The batteries terminal insulation cap is easy to install. Just slip them over your battery terminals and cable lugs. No special tools or experience needed. 5. Premium Material: Made of high strength material, the cable lug protector cover cap is built to withstand the harsh conditions of marine and automotive environments while ensuring excellent performance and longevity. Specification: Item Type: Battery Terminal Insulation Cover Material: Rubber Quantity: 12pcs per pack, including 6 red and 6 black Maximum Terminal Diameter: Approx. 14mm / 0.55in Maximum Cable Diameter: Approx. 8mm / 0.31in Application: Battery terminal covers will help prevent accidental shorts and sparks, thereby helping to protect your terminals and electrical components. Fitment: Available for almost any application and vehicle including marine, automotive, commercial, and power sports . Package List: 12 x Battery Terminal Insulating Cover