Didn't like it at first but quickly changed after 5 minutes of use. At first it retreated into the tree + I had a less powerful cordless drill + a very large 2.5" drill so it overpowered the drill. Maybe after a few minutes the thrust lessened - maybe the screw eased off a bit, or I just learned not to push so hard. In any case, after 5 minutes it was nearly perfect, allowing for easy and fast drilling with less force on the drill bit than usual. I drilled about 8 holes in 1.5" mahogany. If you have a cordless drill, make sure that it's powerful - I think mine was powerful enough. It also depends on the bit size. If you have a 1" bit for example, I don't think you need worry that much.
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