The ERSSM2-01B features an adjustable clamping top plate to securely hold small to medium bookshelf speakers. The included speaker bracket fits most satellite and small bookshelf speakers. Adjustable pillar raises or lowers the speaker stand to your ear level to optimize the listening experience. The adjustable feet or spikes level stand on uneven floors and improve acoustics. Built in cable management allows cables to run through the pillar to create a clean and finished look. Steel pillar and glass base provide a strong and stylish foundation for your speaker.