These are 11". They look like they come from the same factory as those 14.5" ones you posted below. I decided on the 11" because, if I can't find my 11" Motion Pro levers, I'll need to pack these on the bike.
I've heard people say the valve stem fishing tool makes installing HD tubes easier so I'll give it a shot.
Follow up. These tools work a treat. I just did a front tire, the rear may be a different story but the spoons were plenty long for leverage. The little fishing tool saved my fat, old fingers.