TENSION SPRINGS - These tension springs feature drawstrings, tension belts, carabineers, and eyelets for easy attachment. The design ensures even stress distribution across the spring, enhancing durability. Constructed with high-quality materials for reliable performance. Widely used in marine, computer, electronics, automotive, mold, biological, chemical, aerospace, railway, nuclear, wind, and thermal power industries. DOUBLE HOOK DESIGN - Features a dual hook configuration for quick and secure attachment to lanyards, tension bands, carabineers, and other mounting points. Sealed safety holes prevent accidental disengagement, making it suitable for demanding applications. Designed for strength and longevity. Resistant to rust. Manufactured under strict quality control with multiple forging processes for consistent performance. DURABLE CONSTRUCTION - No tools required for installation. Simply connect at both ends or one end as needed. High tensile strength with stable and uniform force. End hooks are robust and long-lasting. Made from spring steel with a nickel-plated finish to enhance durability and wear resistance. WEAR-RESISTANT MATERIAL - Constructed from stainless steel for increased resistance to corrosion, wear, and extreme temperatures. Suitable for use in manufacturing, assembly, research, development, and maintenance applications. Smooth surface finish achieved through polishing for improved performance. WIDE APPLICATION - Ideal for use as attachments in garages, for awnings, punching bags, hammocks, gates, screens, and various DIY projects. Commonly used in industrial and mechanical applications requiring reliable extension springs. Steel wire diameter approximately 3 mm. Weight: 24.5g Color: As shown in picture Material: Spring steel Quantity: 1 piece spring coil