Here is a brief video grab bars I use in my assisted living facility. They are very inexpensive compared to others I have seen and used in the past but they seem to hold up over the years.
Here is what I use:
1. 18′ Grab bar: https://amzn.to/2O3BDSN
2. 24″ Grab bar: https://amzn.to/3030o7R