Four and five drawer files available with roil-out shelf with receding door. Five drawer unit available with full width roll-out posting shelf. The posting shelf is a pullout shelf between the second and third drawers of a five drawer lateral file, used to place materials while filing. Counterweight where applicable, to meet ANSI/BIFMA stability requirements. 19 1/4" deep files include side to side hangrails for letter and legal size filing. Smooth 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 four leveling glides. Built-in HON® "One Key" core removable lock secures all drawers. Meets or exceeds ANSI/BIFMA standards. The HON® Limited Lifetime Warranty.