Comprehensive rust protection: jenolite hollow section cavity wax aerosol is specifically formulated to prevent rust in car doors, panels, and box sections, ensuring long-lasting protection. Extension straw & nozzle: 600ml extension straw and nozzle allow for precise application, reaching even the most challenging areas within your vehicle's hollow sections. Resistant to: weather, salt, water and weak acids and bases. Self-sealing rust killer: this aerosol acts as a self-sealing rust killer, actively eliminating existing rust while forming a protective barrier against future corrosion. Ideal for automotive use: tailored for automotive applications, making it the perfect solution for maintaining the structural integrity of your vehicle.