Sturdy Construction: The steel support pillars can be filled with sand or steel shot for the ultimate in vibration dampening. Each stand features a scratch resistant black powder coated finish. Adjustable Top Plate Screws: The top plate features adjustable, padded screws to isolate and angle your speaker for proper alignment and positioning of your center channel or bookshelf style speaker. Adjustable Spikes: Each stand includes adjustable floor spikes to pierce through the carpet to isolate the stand and your speaker from floor vibrations and resonances. Ideal pedestal for the home theater speakers in your entertainment system.