Looking for 2 x UX-4 sockets for 300B valves

[Crankshaft]

I require 2 x UX4 sockets, chassis mount, similar or the same as the AudioNote type in the following link:

http://www.hificollective.co.uk/content/audio-note-ux4-chassis-mount-silver-plated-base.html

Anyone got some available locally?  I'm not into the expense and mission of importing.

 

[Crankshaft]