Printer Shelf for mobile cart/PC workstation features a large size of 17 5/16' x 11 13/16', designed to provide an extra holder for printer, scanner, etc. ONLY compatible with our mobile cart, please reach out to us if you have any inquiry Heavy duty and sturdy spray-coating steel construction for rust resistance, providing better stability Simply slide shelf bracket through groove of mobile cart pole and fasten with Allen Key Overall Dimension(LxWxH) 17 5/16' x 11 13/16' x 1 15/16' (44 x 30 x 5 cm)