This seems to be a kind of hit-or-miss thing to me. Mine has no protectors on them, R4s, and others do. Some are half circle, and I think I've seen some in circles.
I'm not going to push fate by having any welded on. That's when I'll manage to get a stick right into one! /forums/images/graemlins/grin.gif
John
I'm not going to push fate by having any welded on. That's when I'll manage to get a stick right into one! /forums/images/graemlins/grin.gif
John