Product Detail Adjustability - Shelves Adjust In 1 1/2" Increments Color(s) - Gray Depth - 18 in Finish - Baked-On Enamel GL09 Page Number - 268 . The "METCR4818HP - Edsal Heavy-Duty 16-Gauge Steel Industrial Shelving" is best product for you. We recommended METCR4818HP - Edsal Heavy-Duty 16-Gauge Steel Industrial Shelving