Is there any advantages of the product? These speaker spikes are constructed with high hardness copper ensuring durability and resistance to bending. They feature a height balance adjustment nut making it easy to address uneven ground surfaces. The well-designed structure of the spikes enhances their shock-absorbing capabilities further improving the overall performance of your speakers. With a nice cut and polish finish They are not only do a great job at further isolating but also do a great job at adding a beautiful look to the table. What is this? These speaker spikes protect floors improve sound quality the adjustable speaker isolation feet effectively separate audio components from vibration provide height adjustment with a balance nut while minimizing harmful vibrations. What scene does it apply to? Isolation spikes are good for speaker amplifier instrument turntable CD/DVD player recorder and more as they minimize vibrations reduce noise in the room while enhancing low quantity sense and high-frequency line feeling.Placed under the spikes that can be fitted to floor-standing loudspeakers they can protect hardwood or tile floors from being scratched. How to use it? Drill a hole the same size as the nut with an electric drill at the bottom of the box Knock the nut into the hole to fix it Twist the body of the nail into the nut; If it is to be replaced just twist the body of the nail directly into the original nut of the box just pay attention to the size of the original nut.