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are suitable for bifold doors. They are made of stainless steel, and they resist wear and breakage for long-term use. They are sturdy enough to support your door's weight and are easy to put in. This nylon roller guide for the top was designed to replace bifold doors panels that weigh up 30 pounds. It fits aluminum profiles of System S1000. How to identify broken rollers on the bifold door Bifold doors can be a grea