StarTech.com 1U Server Rack Shelf - Universal Rack Mount Cantilever Shelf for 19" Network Equipment Rack & Cabinet - Heavy Duty Steel – Weight Capacity 44lb/20kg - 16" Deep Tray, Black. Type: Rack shelf, Product colour: Black, Housing material: Steel. Width: 441 mm, Depth: 401 mm, Height: 43 mm. Quantity per pack: 1 pc(s), Package width: 560 mm, Package depth: 440 mm. Screw type: M6-12. Master (outer) case width: 570 mm, Master (outer) case length: 420 mm, Master (outer) case height: 460 mm