There is no one-size-fits-all answer to this question, as the tools needed for Disability Retrofiting will vary depending on the individual's needs. However, some of the most common tools used in Disability Retrofitting include ramps, wheelchair lifts, and accessible bathrooms.

There are a few key tools that are needed for disability retrofitting. The first is a good understanding of what needs to be done and the second is access to the right resources. With regards to understanding, there are many online resources as well as books on the subject matter. And with regards to resources, there is no one-size-fits-all answer; it depends on the particular case and situation at hand. However, some general things that could be looked into for resource availability include government programs, community organizations, and private companies.