Four and five drawer files available with roll-out shelf with receding door. Five drawer unit available with full-width roll-out posting shelf. The posting shelf is a pull-out shelf between the second and third drawers of a five-drawer lateral file, used to place materials while filing. Counterweight in two- and three-drawer files inhibits tipping. 19-1/4" deep files include side-to-side hangrails for letter and legal size filing. Smooth glide three-part telescoping steel ball bearing drawer suspension with no-tip safety interlock permitting only one drawer open at a time. Recessed full-width designer style drawer pulls and leveling glides. Built-in core removable lock secures all drawers. Manufacturer Limited Lifetime Warranty.