For Carpet or Tile Floors: These speaker stands come with two different foot options for placement on either carpet or tile floor. Included are four carpet spikes and four screw in polyester feet * Wire Management: The unique wire management system lets you hide cables in a safety channel behind the pillar * Speaker Isolation Options: Sanus"s speaker stand comes with two different speaker isolation options, you can use the neoprene pads or the brass studs, whichever one suits your purpose