1. **Integrated Design** - The integrated anti - vibration nail feet and anti - vibration pads combine the characteristics of brass and aluminum alloy, which is beneficial for eliminating vibrations. - It is easier to install. There is no need to drill holes or use double - sided tape, thus avoiding damage to the equipment. 2. **Materials** - Aluminum alloy: It has high hardness, high density, low harmonic vibration and high damping, which can bring a better listening experience, superior sound quality, stereo imaging and response effects. 3. **Height Adjustable** - The height of the anti - vibration nail feet is adjustable, suitable for different types of speakers, amplifiers, CD or DVD players, etc. 4. **Isolation Nail Feet** - It provides an effective solution for optimizing the real sound quality of stereo equipment and reducing vibrations. 5. **Functions** - Using isolation nail feet can reduce the acoustic feedback of speakers. Installing the nail feet can isolate players, amplifiers or other audio components from vibrations, making the timbre more concentrated and the noise less. 6. **Nail Foot Height** - 25.5 - 28 millimeters (1.00 - 1.10 inches) 7. **Nail Foot Diameter** - 44.5 millimeters (1.75 inches) 8. **Gasket Diameter** - 38 millimeters (1.50 inches) 9. **Weight (Pack of 4)** - 300 grams (0.66 pounds) 10. **Color** - Black 11. **Material** - Aluminum 12. **Package Contents** - 4 anti - vibration nail feet - 4 anti - vibration gaskets Only the above - mentioned items are included in the package, and other items are not included. 13. **Precautions** - Light and different displays may cause the color of the item to vary slightly from the actual product. The measurement error is allowed to be plus or minus 1 - 3 centimeters.