547W Plank Extension Table Top (60 x 45-75) Top Only. This top is made from 1 1/4" solid Alder planking and features a sweeping edge. It will seat ten comfortably when extended fully. With one leaf installed you have a nice large 60 " square table. Made of solid alder hardwood this table is ready to finish. It is partially assembled. Assembled dimensions 75 (length) 60 (width)