· · · · Ball bearing glides · Executive Desk 58 x 28 x 30.5H Bookcase 40 x 16 x 73.5H 1689BR-17 1689BR-18 · · · · Ball bearing glides · 1689BR-16 Writing Desk 58 x 28 x 30H 1689BR-18 Bookcase 40 x 16 x 73.5H H-6