Bifold Door Roller Replacement For bifold doors, these rollers are made of stainless steel and resist break and wear for long-term use. They are sturdy enough to support your door's weight and are easy to install. This top nylon roller guide is made for replacement in bi-fold doors weighing up https://bi-folddoorrepair09788.blogsvila.com/30825245/why-you-should-focus-on-improving-bi-fold-door-repairs-near-me