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is a typical issue with internal light-weight folding doors. The issue can be fixed with an easy DIY solution. The rollers are constructed of stainless steel and are resistant to breaking. They are easy to install using the supplied hardware. They are designed to support loads and have a smooth operation. Nylon Wheel Nylon is a Thermoplastic material with excellent mechanical properties. It can withstand heavy loads and even some impacts without breaking, which make