· · · · Ball bearing glides · 1689-17 Executive Desk 58 x 28 x 30.5H 1689-18 Bookcase 40 x 16 x 73.5H · · · · Ball bearing glides · 1689-16 Writing Desk 58 x 28 x 30H 1689-18 Bookcase 40 x 16 x 73.5H H-8