as sharp, pointy-needle wise, as the broken bristles of a wire cup brush from a 4 inch grinder?
Holy shit, when they fail and break and fly out, they penetrate damned near anything, won’t they? I just pulled one out of the upper of a pair of Nocona Bullhide boots…it penetrated all the way through to my ankle.
Yep, they come out at HIGH rpm, so they’re moving fast! And thin enough to penetrate damned near anything!
Had one stuck in my abdomen. was picking at my shirt all day so when I got home from work I pulled it out.1″ long.
Older brother had a piece of guitar string stuck in his hand for over 20 years, it finally worked it’s way out and he was able to grab onto it with a needle nose. Ironic though, he was an Electrician his whole life.