here are a couple of pictures of our crank protector that we are selling for $10
This will protect the threads from getting damaged when removing the flywheel
on 660 or 700 raptor it also fits many other applications.
It is made from 4140 heat treated.
(http://i479.photobucket.com/albums/rr153/barkerbolt/IMGA0308.jpg)
(http://i479.photobucket.com/albums/rr153/barkerbolt/IMGA0309.jpg)