Features 1.EXCELLENT SOUND ISOLATION: Solid wood speaker isolation feet isolate your sound equipment from vibration and shock bounce, resulting in a more refined and tonally accurate soundstage with built in vibration absorbing panels. 2.WIDELY USED: Speaker isolation feet are designed to provide optimal sound quality for a wide range of sound equipment, including Hifi speakers, pre decoders, amplifiers and more. 3.UNIVERSAL USE: HiFi speaker isolation feet pads can be used with any brand subwoofer that accepts screw in feet. No threaded inserts. 4.COMPLETE KIT: Includes a set of four speaker isolation feet with everything you need for easy installation and immediate improvement in your sound system's performance. Whether you're a seasoned audiophile or just starting out. 5.DURABLE AND STURDY: The rosewood material provides long lasting durability and stability for your sound equipment. Light weight, easy to transport and install. specificationItem Type: Speaker Isolation Feet_x000D_ Material: Rosewood_x000D_ Size:_x000D_ Diameter: Approx. 45mm/1.77in_x000D_ Height: Approx. 45mm/1.77in_x000D_ Multi Application: Suitable for a Variety of Sound Systems, Such as Amplifiers, Speakers, Microphones, Subwoofers, Etc. PackageList4 x_x000D_ _x000D_ SpeakerIsolationFeet NoteManual measurement please allow some error.