I'm reasonably careful about not being in the firing line when using a > grinder or metal cutter just in case the blade disintegrates. I had a > I had a rubber sanding disk backing plate disintegrate in an angle grinder. A chunk struck me in the stomach (thru a thick jumper and shirt) knocking the wind out of me and left a largish bruise. Justin --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .