- Made from high quality spring steel for durability, high hardness, and long service life. - Provides effective vibration absorption with tightly wound springs, delivering a secure and stable hanging or mounting experience. - Broad compatibility for benches, hanging chairs, chairs, punching bags, and industrial applications that require vibration reduction and isolation. - Tool free installation with no tools required for quick, safe, and reliable mounting. - Use scenarios: suitable for gym setups with punching bags or benches to minimize vibration; ideal for home or studio hanging chairs or suspended seating; applicable in industrial machinery and equipment where vibration isolation is needed.