I know we aint talking about the same things but I had to make my own crank handle for mine! I just took a socket with my hand grinder, and ground 2 slots in the socket to fit my crank on trailer bar, put breaker bar on it, it works good. going up, except if it falls yer f++++d .
I have a ratchet type system on my bar system on m crank handle on mine, I haven't fixed it yet tho. I have to come up with another solution. or rebuild my ratchet system needs a spring return and release on it yet. even new gear on it. I still have so much to do, and finish up but cant right now.