1 Pack of Heavy-Duty Sliding Shelf, 19" standard installation designed for 600mm,800mm deep Network/server cabinets and 600mm, 800mm deep 4 post open racks. Supports up to 80 lbs. Easy mount to your cabinet/rack rails. Designed for 600mm, 800mm deep 4 post open racks, 600mm,800mm deep Network/server cabinets. Accommodates tower units, monitors, and other equipment. Adjustable mounting depth from 15" to 24", Shelf extends up to 9". Cold rolled steel:1.2mm. Color: Black. Self Dimension: W: 19" D: 14" H: 1.75"