Ebay has.  Less than $13 shipped.  I just searched for the 7/8.
http://www.ebay.com/itm/7-8-to-1-1-4-Unified-Right-hand-Thread-Die-Select-Si
ze-/141363299185?pt=US_Hand_Tools&var=&hash=item20e9e8c371

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Rocket J Squirrel
Sent: Wednesday, August 27, 2014 3:46 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Seeking threading dies

Need a couple of threading dies (5/8" x 27 & 7/8" x 27) for a steel
tubing threading job.* Does anyone know who might be a good online
vendor of such things with good prices?

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* Microphone stands, got three that I wish to modify.

--
Jack "Rocket j Squirrel" Elliott
1984 Westfalia, auto trans,
Bend, Ore.