Safe material and durability - Made from a durable PC+ASA blend for high quality, stable flexibility and increased strength - Designed to deliver long lasting performance with strong, reliable structure Easy to use and safer travel - Includes safety handles for simple, secure operation during mounting and removal - Helps ensure safe handling and stable attachment of the roof box Enhanced ride comfort - Built in spring shock absorber reduces vibration and noise - Helps improve overall driving comfort on various road surfaces Advanced durability for all climates - Rustproof design with rugged weather resistance - Built to withstand different climate conditions and last longer in outdoor use Function and usage notes - Designed to support a roof box as part of a roof rack system - Intended to provide reliable support, stability and ease of use during travel Use scenarios - Long highway family trips: mount the roof box with the arm for secure storage of luggage and gear, while the shock absorber minimizes road vibration and noise for a smoother ride - Weekend camping or outdoor trips: rely on the rustproof, weather resistant design to perform in sun, rain or cold, keeping gear protected and stable - Seasonal winter or rain travel: the safety handles and durable material help ensure safe handling and dependable performance in challenging weather conditions This product emphasizes a safe material, easy handling, comfort during travel, and durable performance across climates, while clearly describing its function as a roof box support arm.