Ergonomic Handle / construction site tool

Most of the time, the laborers make Instruments used in the factory because it can be pricey. However, making one on their own not only takes a lot of time but it’s also not effective. Even though, each tool has it’s own different usage, because it was made for temporal uses often times the workers just use stick. Also, it lacks in efficiency because each equipment doesn’t fit ones’ body type comfortably.
I designed This can be used comfortably because it is able to change the shape of the module and handle according to the usage of the tool.