If your current straps are already worn or damaged, it is better not to wait until they fail during transportation. When searching for replacement tie down winches
https://flatbedequipment.com/collections/winch-straps, pay attention to the length, width, hook type, and load capacity so they match your existing setup. Flatbed Equipment Inc has a selection of flatbed cargo control products, including different strap options that can be useful for replacing old equipment or upgrading your trailer setup. A specialized supplier is usually a better choice because you can find products designed specifically for flatbed hauling.