StarTech.com 2U Rack Mount Cantilever 2 Post Shelf - Mid/Center Mount Sever Rack Cabinet Shelf - 150lbs / 68kg Type: Rack Shelf Color: Black Material: Steel Specification: Form Factor:19 2U Unit Dimension: Height:3.5 x Width:19.1 x Depth:21.7 Unit Weight: 9.60 lb Parts: Lifetime Limited Labor: Lifetime