This product is either discontinued or we cannot get that from suppliers.
Upgradable to carry additional display: No, Material: Aluminum and plastic, Color: Silver, Desk fixing options: Bolt through and desk clamp options included, Spring-assisted height adjustability: No, Rotation around pole: 360° rotation/ 180° with rotation limiter.
The system ships with two arms that can be independently adjusted for height, position, and orientation. It allows a high degree of operational flexibility with the configuration that can be adapted to the work environment, user situation, and task at hand.