Bifold Door Roller Replacement Suitable for bifold doors They are constructed from stainless steel, and are resistant to break and wear for long-term use. These rollers are strong enough to withstand your doors' weight and are easy-to-install. This top nylon roller guide is made for replacement in bi-fold door panels https://bifolddoorrepairsnearme61058.blogmazing.com/29915416/are-you-making-the-most-the-use-of-your-bi-fold-door-repairs-near-me