Dimensions for each shelf: Length: 31 1/2 " Depth: 10 5/8 " Height: 7 7/8 " Hole spacing: 30 3/8 " Dimensions for rail: Length: 31 1/2 " Depth: 2 1/8 " Height: 3 7/8 " Hole spacing: 30 1/8 " Good to know Different wall materials require different types of fasteners. Use fasteners suitable for the walls in your home (not included). Product description Stainless steel