The card broaches are sold for clockwork and haven't changed much in 
centuries. Traditionally they are used to install bushings and to open 
the holes in the bushings to match the wheel pivots. They can be used 
for other things but perform poorly on ferrous materials.

Troy


On 10/20/2014 12:28 AM, Jesse Walker wrote:
>
> What are these card broaches for?
> https://drive.google.com/file/d/0B-
g5LlyKENxQYVN5RGlOWG9NX0k/view?usp=sharing">https://drive.google.com/file/d/0B-
g5LlyKENxQYVN5RGlOWG9NX0k/view?usp=sharing
>
>
> Regards,
>
> Jesse
>