Durable: made of high-quality steel, waterproof, rust-proof and durable Product name: Torsion spring; Type: V-shaped spring Simple: easy to use, easy to store, easy to complete the installation or replacement process Process: Fine workmanship, uniform slope, high strength, strong elasticity, stable and balanced load Manufactured from high-quality spring steel, offering exceptional wear resistance, durability, high elasticity and reliable performance in high-temperature environments. Possesses excellent mechanical properties and is suitable for long-term use