Using spike is always necessary as it is well known that it increases the sound quality extensively. However standard floor protectors may scratch the floor if the rack/loudspeaker stand is accidentally moved out of place. The new floor protector has a stainless spike integrated and incapsulated in the aluminum cover in order stay fixed to the floor protector if the rack is moved. Beneath the spike is located a brass spacer that aim to avoid any non-desired resonance or ringing. In the bottom of the floor protector is attached a sheet of cork to damp and protect the floor from the hard metal. The measures are D50xH45mm and the thread is M8 or M6. The foot will build 26-40mm (added height between end of pillar to the floor).