MODEL  NO. 718 -         (60)             (72)      Top Shelf Length                                                60"                      72"
Top Shelf Depth:                                                10"                      10"
Bottom Base Length                                       50.75"            62.75"
Bottom Base Depth                                         4  3/8"            4  3/8"
Overall Height:                                                    4  1/2"               4  1/2"