Look no further, these are the most solid racks in the business. 
Materials: Stainless steel, Powder Coated/Laser Engraved Aluminum, recycled UHMW plastic and reinforced rubber strapping.
All hardware is stainless steel with carbon steel locknuts.

Includes: Lifetime warranty (excluding ratchets and wear and tear) Installation instructions and comes with a FREE Beverage Holder!