Because shoot summ likes to see people learn how to do things, not do things for them.I don't know why shoot summ didn't post the link. It wasn't easy to find, but here it is:
According to the article:
"It uses belts 40 x 265 mm in size and they are available in grits from 80 to 240."
I found a US source for them here:
Where are you located?