Construction: Base: 4" square heavy guage tubular stainless steel legs and center column supporting a solid stainless steel shelf and choice of tops.Lower Shelf: 3/16" solid stainless steelTop: 3/16" solid stainless steel, 3/4" stone or wood. Materials and Finishes: Base: Legs and center column in polished or satin stainless steel.Lower Shelf: 3/16" thick orbital grain satin stainless steel top surface only, edge available in polished or satin stainless steel.