How many guys use the cutoff wheels for cutting metal? I've used them for years and had great luck with them. I bought a box of them on Amazon and was working on a project today and had one explode. Couldn't believe the way it came apart. I had a face shield on but my neck got it good, 6 stitches later at the ER and all is good. Needless to say I'm thinking the box is going to the garbage.