Duo Drive Sliding door system with bottom rails for various usage options. Technical Features Weight carrying capacity of the door: 176 lbs (80 kg)Maximum width of the door: 59″ (1500mm)Maximum height of door: 118″ (3000mm)Height adjustment of the door without soft close: 5/8″ (15mm)Height adjustment of the door with soft close: 3/16″ (5mm) Available Finishes AL1 – Natural Matte Anodized EF- Stainless Steel Effect Fine Anodized GF- Graphite Anodized, Brushed and Polished