Construction: Base: 1/2 x 5 cold rolled steel bar columns joined by a 1 high recessed reveal, welded and ground into a seamless unit supporting a 3/4 top.Top: 3/4 stone or wood overhang with a soft chamfered edge. materials & finishesBase: Available in acid washed gray or opaque color.Finishes:Base: Available in acid washed gray or opaque color.Stone or Wood Top: Available in all Brueton stones or woods. See page B.4 and stone card for stone selection; see page B.2 for wood selection.