My home inspection of Speedmaster heads

Cudafever said
I like somewhat dull burs, as you can slide alone making the shape you want without a "WHOOPS" Canyon in on spot.

ruffing in a port, all the small stuff you know needs to go.....The sharper the better.
I have a couple ball burs but, them dambb things get me into more trouble them they get me out of!!!
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Yup. A dull burr can save your buttocks. Been there many times. That's why I almost never get rid of a burr. I've had them go full helicopter on me. I just shorten the shank and tell everyone I customs made that for a special use!!!