Ball Swing Arm Drapery Rod Set - Nickel by Umbra. Protect privacy with this Ball swing arm drapery rod that swings back to allow indirect sunlight and air circulation. Made of durable steel, the set boasts decorative cast metal finials with a sleek nickel finish. The innovative rod set extends from 20" to 36", and ideal for French doors and casement windows. Price: $39.99. LOVE IT!!!!