Large Surround Speaker Stand SP-OS10 Priced per pair (2 pieces) Each stand supports speaker up to 44lb (20kg) Durable and stable construction made from metal Suitable for all kind of speakers with placing surface around 7.48 inches x 8.66 inches (19 x 22cm) from all different brands such as Bose, Yamaha, Polk Audio, etc. Height adjusments range: 25.59 inches - 45.28 inches (65 - 115cm)