Featuresr powder coated steel sturdy and durabler door weight capacity 200kgr suitable door thickness from 1 38 to 1 58 35mm 40mmr maxdoor width 40r include 6ft rail 2 roller 2 door stop 1 floor guide and other necessary hardwarer smooth to slide doors quietlyr space saving suitable for kitchen study bathroom etcr r noter this door hardware set is suitable to mounted on walls constructed by bricks concrete and hollow bricks