It was easy to install using just a power drill and a screwdriver, and seems quite sturdy. The suggestion for what size pilot hole to drill seemed too small, so I picked a bit the same size as the inner core of the screw (the part that would be left if all the threads were gone). After reading that some people had trouble with these screws, I only used the drill to tighten it most of the way and finished up by hand. I did not strip even one--maybe it is an advantage sometimes to not be all that strong, lol. I like the fact that there are 2 sets of brackets capable of fully supporting the bar. I put the second set about 2 and a half feet off the ground for inverted rows, and that height is also good for pushups when I don't feel up to doing them with my full body weight. This gives about the same resistance as doing them from my knees, but without the pressure on my kneecaps. As for the pullups, I hope to get there eventually, and if I don't it won't be the bar's fault.
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