Type: Rack Shelf, Dimensions: 17, 50"" Width x 13"" Depth, Material: Steel, Color: Black, Material Gauge: 16 Gauge, Rack Width: 19"", Rack Height: 2U, Hole-to-Hole spacing is 18-5/16in, Shelf depth is measured from front to rear including flanges, Flanges Up, The equipment can be deeper than the rack mount shelf as long as the equipment is installed on the opposite side of the flanges, The flanges are used to increase the load bearing capacity of the rack mount shelf or used to prevent equipment movement, Rack Shelves can mount up-side-down, Durable Powder Coated Black finish, SKU: ING27700