Sumo wheels

Ugh I really have been bad for keeping my stuff up to date but here is something new.

http://www.fingertechrobotics.com/proddetail.php?prod=ft-cobra-wheels-1125

Fingertech Robotics liked my wheels they decided to make some of thier own :D.  This makes it easier for me to and everyone else to build a competitive sumo. 

Those

are some awesome wheels. You designed them and they decided to mass produce them?