Very simple installation, one is to use it alone and place the equipment directly on the foot pad, the second is to use it with the pointed foot spikes and place it under the foot spikes. Can be used for HiFi speakers or speaker frame It can be put under the speaker, or under the shock board and anti-shock frame;It's end point to the ground, can minimize the harmful vibration Can the pollution between the ground and the speaker, get the sound effect Appearance is absolutly classic and high profile Colour:Black Material:Aluminum stainless steel Package Contents: 4 * Speaker Spikes Stand Feet Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.