Sanus Natural Foundation Series 30-Inch bookshelf speaker stands - Set of Two (Mocha) NF30MO 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 Energy-absorbing MDF construction increases sound quality by providing acoustic isolation Large integrated wire path organizes heavy-gauge cables Beautiful solid hardwood pillar is strong and acoustically superior