Middle Atlantic VSA-2744 Adjustable Telescoping Rack Shelf (27x44")Unlike standard adjustable shelves, the entire VSA shelf telescopes to reach rear rail, providing a range of useable depths from 16" to 44". Providing the greatest useable depth in its class, the heavy duty VSA is ideal for even the deepest components. Constructed of hemmed 16 gauge steel and finished in a durable black powder coat, the VSA is fully vented for superior cooling and features many tie points for enhanced cable management.