"Writing table/storage box for use with Easy-Access Steel Stock Trucks. Bolt-on writing surface with hinged top allows access to lockable storage box. Dimensions W x D x H in. 13 x 11 x 9 1/2, Assembly Required Yes, Material Type Steel. For use with Item#s 856571, 856572 and 856573 Optional writing table and storage box kit includes security pen and clipboard-style paper holder"