StarTech.com 2U Server Rack Shelf, Center Mounted Universal Vented Rackmount Cantilever Tray for 19" Network Equipment Rack, Heavy Duty Steel, 200lb Capacity, 20" Deep, Black. Type: Rack shelf, Product colour: Black, Housing material: SPCC. Width: 483 mm, Depth: 356 mm, Height: 87 mm. Package width: 550 mm, Package depth: 560 mm, Package height: 120 mm. Screw type: M6. Master (outer) case width: 570 mm, Master (outer) case length: 505 mm, Master (outer) case height: 565 mm