Mechanisms of sliding window - door frames Sliding door, shutter, and shading system mechanisms Series 80 Sliding door, shutter, and shading system mechanisms (wood, aluminum, iron, and shading panel) Series 80 (with aluminum rail)For leaf weight up to 80 kilograms.Silent operation\*The Roller Set includes:2 Rollers with their flanges1 Rolling guide2 Stoppers and leaf retainers View