The device for the money is simply wonderful. Yes, it was necessary to fix the factory jambs a little. When hitting, you need to slightly pull your nose down, then it hits deeply and the separation of the staples from the pack is excellent. In work 2 years. Was not under repair. Has some pros: The first thing that attracted me was the price. At 220 volts, it turned out to be taken for 1.5 Does his job. Its cons: I had to slightly adjust the guide bracket. Bent the inner folds a little more. Clogged with dust, jams the blocker. Solved by purge.