[QUOTE]Originally posted by soaringxh3n:
hi there what type is this? and where can i get them?
they're like silver and makes a cool sound
i've uploaded some links to show how they look like :
http://mkmartialarts.com/videos/masters-demo_26a.mpg http://www.angelfire.com/art2/aznxh3n/ksw.gif http://www.angelfire.com/art2/soaringxh3n/ksw.gif

They look like they are made of aluminium?

They appear to be speed chucks - with chain between them and ball bearings in the handles so that they spin very freely.

Try your local MA shops, I haven't seen this type over here but I have seen them advertised in a few places in USA.