Commercial grade ball-bearing suspension allows fully loaded drawers to open with ease. Durable, fully assembled steel construction with non-porous surface is easy to clean and disinfect. Full metal follower block keeps files upright and organized. Lock included to keep contents of all drawers secure. Aluminum handles and label holders. Accommodates letter-size hanging files. Limited Lifetime Warranty. Meets or exceeds ANSI/BIFMA standards. Greenguard Gold Certified