Makita Cordless Impact Driver

Makita cordless impact driver, just the tool itself, comes with a Makita bag and a few accessories. No battery or charger included. Works great, however, the hex bit that I have in the tool is stuck. I do not know how to repair it. I do have some parts for it that I ordered years ago, which will come with the tool. They may or may not be what you need to repair it but at the time when I was planning on fixing it, these are what I thought it needed.