Unlike standard adjustable shelves the entire VSA shelf telescopes to reach rear rail providing a range of useable depths from 27in. to 44in. . 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. Racking Height: 1-1/2in. (<1 space). Depth: 27in. -44in. . Weight Capacity: 500 lbs.