Sanus Systems Foundations Ultimate UF22 22" Tall Speaker Stand for Medium to Large Bookshelf Speakers, Pair Adjustable carpet spikes and screw-in polyester feet add stability on any surface Choose from brass isolation studs or neoprene speaker pads for stable speaker isolation Integrated Poron rings isolate speaker from vibrations in floor Pillars can be filled with shot or sand for added stability Spackled gray finish blends subtly into most any decor