That looks nice. It always to start with fresh parts.
That driver will drive 1/4"X 3' lag bolts into undrilled pine. Had an electric (corded) line trimmer that was light and powerful. Worked fine on 200' of cord a pain but still better than maintaining a two stroke. I gave it away when I got this one.

"I wonder if God created man because he was disappointed in the monkey?" Mark Twain