The Pedestal I-Beam Table Base is constructed of heavy duty 4 -1/4” x 4-1/4” raw mill scale steel I-beam and 1/4” steel top and bottom plates. The table base is available in three heights - 27”, 32”, or 40” (not including table top). The bottom plate is 24” in diameter and designed to be mounted to the floor. The diameter of the top plate varies to accommodate 36”, 48” or 54” round tabletops with a 5” overhang all around. The Pedestal I-beam Table Base is available in natural steel with clear coat, Anthracite gray powder coat, black powder coat and Penetrol oil. Custom colors are available. Our metalwork is made to order in Olympia, Washington.