Used when sheathed the ceiling with clapboard in the country. Bought specifically for this task - coped with a bang. The total area of 30 square meters during all this time the nail got stuck twice. Please note when buying nails, you must take it strictly according to the specification - a fraction of a millimeter more and the nails will build up. I bought bison brand nails with no branded problems. I noticed that sometimes the nail does not hammer in and I realized that this is due not to the operation of the device, but to the position of the tool at the time of hammering. If you put it strictly vertically - press it a little, everything is fine, if you hold it at an angle it can be weakened - the main thing is that the recoil from the hand should go into the nail, the tool should be firmly fixed in the hand.