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It has never been used. For that reason and the fact that it is written in Chinese English (Chinglish) I rate it only three stars. They do not give me the kind of information my Porter Cable brad nailer instructions do, which was what I expected. I bought this unit at a garage sale for $30. The instruction sheet is absolutely useless as the words are indecipherable. Furthermore it should have come with 1,000 pins, which it did not. As previous rates have said.
When changing nails be careful, as stated it is hard to put clip over nails and when taking them out the spring will release quickly. All is true about the instructions very bad and not helpful. Also this gun does not shoot pin nails longer than 1"or 25mm. Overall the price is great and gun will work.
You open it, set the pins in the magazine and then slide the magazine cover over the pins and it locks in place. You can force it over the pins and it works just fine but that just can't be correct. Note: By force, I mean I have to push it quite hard to slide it over the pins. First, the trigger safety lock is flimsy and swings around with gravity and sometimes gets in the way of firing it. I have tried several sizes of pins and they all work the same. I am assuming that there should be about 3 to 10 thousandths clearance between the top of the pins and the slider. I purchased this nailer strictly because of its low price.
I was able to figure out the PSI requirement and the available adjustment for various size pins OK.The unit is well constructed and so far only two things I noticed have been an issue. I have not looked to see if I can fix it or not. I am a casual user doing some remodeling and did not want to spend 2 to 3 times as much for a unit that is probably of higher quality. I am using Bostich pins so maybe they are longer than the manufacturer expected them to be. I have been using it for a couple of months now while doing some finish woodwork and think I made a wise choice.As is mentioned in the other reviews and seems to be true with most of the tools made in asia, the instruction sheets are terrible. Second, and of more concern is the operation of the slider that operates the pin magazine. They did not recommend any brand or specify the length of the pins.Anyway, I think it is a very good unit for the price and would certainly recommend it for the weekend woodworker.
This unit has a tolerance problem (IMHO) and the slider is VERY tight over the pins and it has to be forced into place.
They have a few liability and safety warnings followed by some vague instructions (mostly about oiling the tool), all written in such poor English as to be nearly incomprehensible. On top of that, all of the units are metric, including a warning about the number of mega-pascals that the air supply should not exceed. However, there are some annoyances with this tool, the combination of which caused me to give this tool 4 rather than 5 stars.1) There is a safety mechanism behind the trigger that rotates down to keep the trigger from pulling, or rotates up to allow firing. This is my biggest complaint about the tool, though the mechanism could be permanently disabled without much effort if one wanted to go that route.2) The ad and packaging state that, "Nail length regulator automatically sets nails to your desired length." I mistook this to mean that the counter-sink depth could be controlled. The sizes don't exactly match up with those available on the selector, but the pins seem to work ok using the next largest setting on the tool.3) The ad and packaging state, "Single sequential safety trip mechanism." I have no idea what this is supposed to mean, unless the saftey mechanism I referred to in #1 is supposed to rotate down after every trigger pull (which would be extremely annoying). This pin nailer met my expectations.
It includes a pre-attached 1/4" industrial air fitting, two allen wrenches, a bottle of oil and a blow-molded case.Overall I found the value to be exceptional, especially considering the price of competing tools. I found that this rotates down occasionally during use and has to be flipped back up. The instructions don't address this feature at all.4) The instructions are atrocious. My Porter Cable pin packaging fortunately shows the pin lengths in both standard and SI. I used Porter Cable brand pins in poplar and it fired consistently and countersunk the pins without a problem. In fact, what this is trying to say is that there is a selector on the side of the tool that must be changed based on the length of pin you are using.
This does not, in my opinion, decrease the usability of the tool, as the operation is pretty straight forward, but it is an annoyance that the manufacturers and the US distributor would be content with the quality of the instructions. I don't have a problem with that per se, except that the selector is metric (lists pin lengths in mm).
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