I was repairing a crumbling brick staircase on a patio and needed to knock off the old crumbling mortar. This bit had a nice wide end and did the job well. It was a fraction of the price of other bits out there. So take it when you need it. An odd complaint though, but no matter how hard I tried I couldn't get the little rubber tip off. It seems like it should be hanging from it in the store, but by hand it just won't budge. In the end, I took strong scissors and cut off the hanging parts, and…