I've had one of these for about a year, and it quickly became my fave tool. Still need a cutter for torps, but most of the time this the one I reach for. Extremely sharp punches and the sharp little knife blade makes getting under labels really easy..!!...
As with any cutter, you need to clean them now and then with a little alcohol to keep the oils from accumulating on the cutting surfaces. Alcohol wipes from the pharmacy work perfectly for this.