I'm very happy with this. It fits my frame perfectly. I have done approx 600 pull-ups on it in 2 weeks. It has not weakened or degraded and has left no marks as of yet on my door frame. Assembly was super easy. I am 170 lbs and it holds me well. For what I paid I couldn't ask for more.
*Update* The soft hand grips are beginning to wear. At this point I have roughly 2,000 pull-ups on it with continued daily use. The hand grips are the only noticeable sign of wear on the unit. The outboard rubber pads have now left faint black marks on my white door frame which I assume will clean off with soapy water. Still I am impressed with this budget pull-up bar.