This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. A stable platform for your power amp The Solidsteel S3-A stand provides a virtually vibration-free platform for your high-performance power amplifier, turntable, or media player. The shelf is made of vibration-damping MDF (Medium Density Fiberboard). It rests on solid steel spikes that virtually isolate the stand from vibrations. Protective discs are included for placing the S3-A on a shelf. What's in the Box: 1. Stand-alone shelf 2. 4 Upper termination 3. 4 Feet 4. 5. 4 Spikes 6. 4 Discs