I have a 3" anodized aluminum tube, with a custom non-anodized adapter for the FeatherTouch focuser. The photo illustrates a Zeiss objective installed, which is for sale in another ad. Also, included is a very ugly Televue ring, that has been hand milled or something, but it fits perfect and works!
This assembly does not include the focuser. Tube, TV ring, and FeatherTouch adapter, $110 shipped, CONUS.
Thanks for looking.