Usage Tips:Features: Enhanceds your audios experience with speaker isolation feet, to reduce vibrations and improve sound claritys by integrating aluminum alloy and ball bearings for superior HiFi performances. from aluminum alloy, these isolation feet effectively dissipate unwanted vibrations, ensuring crisps, clear audios with highs and deep, rich lows. for audiophiles and music enthusiasts to elevateds their listenings experience without compromising the integrity of their equipment. Perfect for use in home theaters, music studios, or any setting where sound is a priority, providing stability and improved acoustics for speakers, amplifiers, and players. Easy to install without damaging your devices, these isolation feet offer noninvasive solution to enhanceds sound quality, making them essential accessory for any serious audios. Specifications: MaterialS: Aluminum Alloy Size:39x29mm/1.54x1.14inch Package Includes: 4Pcs Speaker Isolation Feet note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!