Specification Model Number: M23*20 Total length of the Nail: 20mm Foot pad diameter: 23mm Foot pad height: 4mm Product height(Nail and pad): 23mm Material: Aluminum alloy colour: Champagne Gold Package Contents: 8 x Speaker Spikes 8 x base 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. Can the pollution between the ground and the speaker, get the sound effect It can be put under the speaker, or under the shock board and anti-shock frame Feature: Can be used for HiFi speakers or speaker frame Appearance is absolutly classic and high profile It's end point to the ground, can minimize the harmful vibration