Product info:

• isolation feet for improved musical performance with large, heavy speakers
  • replaces your speaker’s existing threaded feet
  • includes four feet for a single speaker; purchase two sets for a pair of speakers
• reduces vibrations and reflections off of a floor’s hard surface
• resists side-to-side movement to maintain alignment with the listening position for more-focused sound
• simplified flush-fit installation with integrated O-ring
• height adjustment ring helps you precisely aim the speaker
  • adjustment range: ±0.34″
  • improves imaging and soundstaging at your listening position