This BUY IT now auction is for one 1U 10.5" Standard Rack 185mm Shelf

Made from 1.2mm Zintec Coated Steel then Powder Coated Semi-Gloss Black. The shelf (Half-Rack)is 2U X 10.5 inches (266mm)wide and 185mm deep Approximate internal dimensions of the shelf are 226mm wide by185mm deep

also stock other sizes