Here are some measurements that were written on my shop wall that I thought I would record here before I lost them. I have no idea if they are correct.
5955 mm from top deckband to bottom of spin halyard
17 feet
10’2” = above deck
4.4 to 4.75 is the sweep
17.5 = spreader length
7.4.1 The overall length of spinacker pole shall not exceed 2516mm including pole fitting. When in use, it shall be attached to the mast fitting protruding not more than 50mm from the surface of the mast