CCJH4-20FT Kit hardware porta scorrevole ruota a raggi grandi per porta singola/doppia
(1)Adjustable Roller hanger screws（from 3cm to 5cm), You can adjust the screw to the most suitable thickness for your door. 2) Wall Hanger Set (1 rail hole need 1 set). Sliding Length: 4ft-16ft for your choose.