The special round shape makes it suitable for modern environments. Cord operated. For use with curtains 600 cm w max. and 300 cm h weighing up to 4 kg. The opening can be central, lateral, multiple or asymmetric. The system is suitable ceiling, wall or free-hanging installations. The operating cords run in independent side-by-side channels allowing systems with 90° curves or with wide radius centring to be installed. Sliding is guaranteed by self-lubricating polyethylene slides or by roller gliders for curtains at the load limits.