Sanus SF30-B1 Steel Foundations 30-inch Speaker Stands (PAIR) 30" tall stand, adjustable spikes and rubber feet 10 gauge steel base, can be Filled with sand, sold as a pair. The 6- by 6.5-inch top plate offers brass studs and neoprene pads for speaker isolation. SANUS steel Series SF30 Its extra-large steel base includes optional carpet spikes