Williams M-51 rebuild kit

[Chief One Wheel]

Hey folks, new to the forum.
I have a quick question. I’ve come across gramp’s old Williams M-51 1/4” ratchet. It’s in need of a rebuild. Any suggestions as to where to find one?

 

[bmwrd0]

Why do you think it needs a rebuild? Have you pulled the gear out, and checked it for damage?