Heavy Duty Double Welded Aluminum Racks, Made in CanadaPerfect for use in ovens, proofers, and freezers or for transporting heavy loads around facilities. Made from high strength, heavy gauge aluminum for superior performance and durability. Welded construction ensures long lasting strength. Rounded corners prevent tearing of rack covers, saving unnecessary expenses. Rounded corners also offer maximum strength by utilizing one piece continuous tubing, stronger than multi piece assemblies. Double welded