Can any one guess what he is making?

Yes that is why he is doing this. He wants to be able to do motors for people that get turned away for normal rebuilds. Finding a good machinist with with access to good machines and not owned buy a company setting high prices for all is rare.

He wants to eliminate wait time and hassle for the people that want to do there own work at home to save money. Just do the needed machine work for the do it your self-ers that don't have the equipment .