Originally Posted by
P!N20
You could look at getting one of those locking chucks - Silca or Hirame.
I picked this up several years ago at the Recyclery in Portland OR for about $50 NOS. Been using it since and just recently checked the check valve, which wasn't working well. Now it works better than new!
The chuck works great! Never have a problem with it.
P1040757 on Flickr