They are 16s. Guess you'll have to wait for somebody with some photoshop skills to give you an idea...
(PS I operate a Turbine wheel based charity... you know... if you're bored of your old Msystem Turbines, we.. uh.. distribute donated sets to underprivileged innercity kids, and...you should really see these kids faces light up! Totally worth the shipping from Reykjavik. And I'll send you a [fake] tax receipt. You look skeptical.)