[Shop-talk] Bending table Dogs?

[eric at megageek.com]

What are the pegs that go into bending tables called?  Are they called 
Dogs?

Does anyone know where I can buy them of various sizes (and save me from 
having to turn tons of metal rod?

Thanks.

Eric P
"Be as beneficent as the sun or the sea, but if your rights as a rational 
being are trenched on, die on the first inch of your territory." Ralph 
Waldo Emerson