Constructed from thick 15 mm boards, every shelve is anchored with cam-locks comparable to professional tufferman shelving, giving the strength you’d expect from a large bookcase or tall cabinet storage unit. Whether displaying a treasured walnut shelf ornament or records from a rustic bookcase collection or family-heirloom walnut bookcase, the frame resists warp and twist year after year. Storage Capacity · Three adjustable tiers welcome paperbacks or plants, yet the frame scales up: stack two for a 3 tier shelving unit, align a run for shelving units for storage, or pair with a narrow shelf unit, slim bookshelf, or thin shelving unit to fit awkward corners. Deep drawers mimic a dvd storage unit, while the open profile integrates with a tall cube storage unit, square shelves, low storage unit or small storage unit to tame clutter—and still leaves room for simple cube storage baskets.