Lorell Commercial File Caddy, Adjustable, 16-5/8 x 11-3/8 x 4 Inches, Black. Lorell Commercial File Caddy is designed to accommodate most any standard-size vertical file cabinet. Adjustable widths fit letter 15 inch or legal 18 inch sizes. Adjustable depths include 18 inch, 25 inch and 26-1/2 inch. 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.