Chuck question

[Russell Eaton]

I have a One Way chuck and wonder if any other chuck jaws will fit on that chuck. Some other brands are cheaper to buy and I didn't know if the worked with each other or not. Thanks for the help, Russell

 

[Rifleman1776]

Can't say with 100% certainty, but probably not.
Companies like to sell their own stuff.
Their jaws are, more than likely, proprietary.
And, yes, expensive.