Brucey wrote:we all make different choices, fair enough. ...............
BTW it sounds like you may have had the smaller bodied Silca chuck in times past. .........
Yes, the Silca unit is quite old ..... circa 1987(?)
Here's my gallery of connectors.
As you can see, I'm not a track pump virgin.
From the left:
Clamp-on auto selector
Topeak Twin Head
Silca
Lezyne ABS - in use.