Nexel® Esd Wire Shelving Starter - 5 Tier - 48"W X 21"D X 74"H Perfect For Storing Electronics, Circuit Boards, And Other Static Sensitive Materials. Bright, Chrome Over Nickel Electro Plating Creates A Brilliant High Gloss Finish. Open Design Maximizes Air And Light Circulation And Minimizes Dust Accumulation. Shelves Easily Adjust Without Tools And Align Accurately At 1" Increments. Shelf Clips Snap On Post, Allowing Shelf Collar To Slide Over For A Secure Fit. Limited One Year Warranty Against Rust And Corrosion. Esd Starter Units Include 5 Shelves, 4 Posts, 5 Sets Aluminum Shelf Clips, 1 Grounding Chain And 4 Adjustable Leveling Feet (With Non-Marring Floor Glides) Which Allow Compensation For Uneven Floors.