The heavygauge construction and doublewalled base of these lateral files keep them aligned for smooth operation. Mechanical interlock ensures that only one drawer opens at a time. Other features include core removable lock, counterweight in two and threedrawer models, four adjustable leveling glides and adjustable hang rails for sidetoside letter, legal and A4 filing. Fronttoback hang rails and lateral file dividers are sold separately. The fivedrawer files have a top rollout shelf with posting shelf. Meets or exceeds ANSI/BIFMA and ISTA performance standards. HON(R) limited lifetime warranty.