If you need to replace Trek BB90 bottom bracket bearings, and want to make sure you don't ruin your frame or new bearings, this tool does the job perfectly. Wish I had purchased this years ago.
During the pandemic Iï¿½ve done a good bit of home mechanic work for friends. This was my first stab at PF BB. Tool worked flawlessly and appears to be constructed sturdily. I can see where the pro tool may have broader applications and quicker execution but neither were needed in my application