Features: Engineered with precisions spring suspension and premium aluminum alloy construction, these speakers vibrations isolators effectively eliminate unwanted resonance for clear sound reproduction and long lasting durability. The high densities aluminum alloy base houses calibrated spring mechanism that neutralizes low frequency vibrations, while the universals 360 design ensures perfect alignment with most speakers models. for audiophiles, studio engineers, and home theater enthusiasts seeking professional acoustics optimization for their high end sound systems. Perfectly suited for hardwood floors in listening rooms, studio monitor setups, and surround sound installations where vibrations control impacts sound fidelities. Featuring nonslip rubber base with textured grip pattern, these universals speakers feet maintain secure positioning across tiles, laminate, and carpeted surfaces while protecting delicate equipment finishes. Specifications: Materials: aluminum alloy Size: as picture shown Color: Silver, Black, Gold(optional) Package Includes: 1Set Anti Vibrations Feet note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.