Paul McManus has taken the following photos of his whisker pole installation on a US Spars mast rig.  He included a copy of the purchase invoice for the parts at the bottom of the page.
The following information on the pole is summarized from Forespar website:

http://www.forespar.com/onlineCatalog/2008/Sailboat/sailing_lineControl2008.shtml

Part No.	Collapsed Length	Weight	Max. Working Length	Tubing Diameters
401106	10′ 1.750″	17 lb.	18′ 2.130″	2.000″ & 2.500″

The 10′ to 18′ working lengths compare to a typical 15′ for our regulation spinnaker poles.  The track, sliding ring, lines and storage is virtually identical to my setup for a 15′ spinnaker pole on the earlier Zspar rig.
For alternate on-deck storage, see Spinnaker Rig Details – Som Sikdar