Metal sliding door cabinets for office file storage (slim design) Upper and bottom aluminum sliding tracks, multi-function adjustable shelf with a loading capacity of 450kg, full knock down structure for convenient delivery, sliding door saves the opening space. Dimension SY-SL1357---W900*D450*H1357, with 3 adjustable shelves SY-SL1046---W900*D450*H1046, with 2 adjustable shelves SY-SL0735---W900*D450*H735, with 1 adjustable shelf.