Commercial File Caddy is designed to accommodate most any standard-size vertical file cabinet, Adjustable widths fit letter 15"" or legal 18"" sizes, Adjustable depths include 18"", 25"", and 26-1/2"", Knockdown design maximizes freight capacity, File caddy moves easily on easy-to-roll casters and is simple to assemble without tools, Steel construction has a baked-on enamel finish, SKU: SPRCH20737