Features: Engineered exclusively for 2015 2025 F 150/ models, these battery terminal protectors feature precise fitment (40×18.2×3mm red positive/40×16.8×3mm ) with acid resistant insulation to prevent erosion and short circuits. compactness polyester felt construction withstands extreme temperatures ( 40℃ to 80℃) and passes 300 hour salt sprays tests, outperforming rubber alternatives prone to cracking. Ideal for truck owners seeking OEM grade battery maintenance solution, particularly those frequently operating in harsh environments or using start stop systems. Safeguards battery terminals during routine maintenance, winter cold starts, or off road adventures where shaking and leakage risks increase. Color coded red/green designs ensures correct polarity installation while maintaining optimal 3mm thickness for secure terminal connection under high current loads. Specifications: Component : Brass Size: about 2x12x15cm/0.78x4.72x5.9inch Package Includes: 1 set Battery defense Gasket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.