I have used this to attach a 2" x 4" x 14GA welded wire fence primarily to oak posts. There have been about 100 posts so far, so not yet to report on continuous use. It drives full power clamps up to 140psi. If less, sometimes you will not be able to fully insert the orthosis. It speeds up the work a lot. Breaking your thumb is not a problem. Driving multiple staples into the post tends to weaken the post in the ground. This eliminates this problem. worth your money. It seems to be fixed. I use Freeman brand adhesive clips.