Ceiling Bracket Priced per pair (2 pieces); Extra chain design to prevent unexpected accident; Extension from ceiling: 9.45 inches - 11.42 inches (24 - 29cm) Each bracket supports heavy speaker up to 44lb (20kg) Features 45 degree left / right swiveling and 360 degree rotation for optimal positioning Durable and stable construction made from steel Suitable for speakers with thread insert on the back, top or bottom and traditional wood cabinet type