The RWS-708 speaker stand is compatible with all Usher bookshelf speakers. Constructed with steel uprights, solid birch side panels and an 11"x7" steel platform that attaches to speakers with two Phillips head bolts and rubber grommets. The 1.75"-thick marble base is 13"x13" for maximum stability and support. The stand can be adjusted from 24" to 28" to fit your system's design.