It can be put under the speaker, or under the shock board and anti-shock frameIt's end point to the ground, can minimize the harmful vibrationCan eliminate the pollution between the ground and the speaker, get the sound effectThe essential artifacts of audiophiles make the sound more complete and accurate, reduce the occurrence of harmonic vibration, and make the sound quality better and more comfortable.Appearance is absolutly classic and high profile.Product Name: Speaker nailColour: BlackFoot pad diameter: 23mmFoot pad height: 4mmFoot nail diameter: 23mmFoot nail height: 20mmMaterial: AlloyPacking include:4x Speaker foot pads4x Speaker foot nailOnly the above package content, other products are not included.Note: Light 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.