Construction • Trace lateral files feature horizontal lines and full-width fronts consistent with all other TRACE products • All Great Openings products meet or exceed applicable ANSI-BIFMA standards for durability and safety • A lifetime warranty ensures long-lasting performance and after-sale support • Steel frame construction is welded and channels are formed in key areas for strength. Reinforced vertical and horizontal channels ensure dimensional stability • Drawer fronts include rubber bumpers for quiet operation • Inner frame is 20 gauge metal. Fronts, tops, outer panels are 20 and 22 gauge. Drawer bins and shelves are 18 and 20 gauge • The horizontal lock strip on 4-high and 5-high laterals is located above the fourth drawer. In 6-high laterals, the lock strip is located above the fifth drawer.