Package Dimensions: 11.8 x 8 x 1.9 cm; 109g Guaranteed software updates until: unknown Specification: Name: Tension spring with hook Material: Stainless steel Size: 100mm/3.94 \" Package includes: 2 x stainless steel springs with hooks. Tips: 1. The product size is measured manually, the dimensions may have 1-3 mm error, thank you for your understanding! 2. Due to processing reasons, the color may be slightly different from the picture, thank you for your understanding! Double hook stainless steel: tension springs with hooks made of food-grade 304 stainless steel, rust-proof and durable, smooth and burr-free surface polishing, high strength and elasticity, long service life. Package contents: You will receive 2 pcs. stainless steel tension springs for daily replacement needs. Diameter 2.5 mm, outer diameter 18 mm, static length 100 mm, maximum pulling force 12.8 kg (125.8 N), maximum pulling length 139 mm. Strong load capacity: Quality certification increases the load capacity by 50% compared to standard 304 tension springs. Special heat treatment process makes the elastic life more than 50,000 times, especially suitable for high-intensity scenarios. Double hook design: Coil spring with loop at both ends, can be quickly connected to ropes, elastic bands, climbing buckles and other accessories. Unique anti-loosening hook structure ensures that it does not accidentally fall off during stretching, making it safer and more reliable to use. Multi-scene application solution: tension spring is suitable for fastening outdoor tents, trampoline accessories, electronic equipment repair, furniture replacement, DIY and other areas