One big, beefy wrench. I purchased this to use on difficult bolts in areas I can't easily fit an impact wrench on a project I have. I highly doubt it will be within most people's ability to break this thing. However, E-Z Red appears to sell repair kits for the gearing should this happen. I must note that upon reading some reviews, some buyers were complaining of the screws backing themselves out and getting lost. So I decided to test this, and sure enough they were loose enough to remove with finger strength alone (with the proper bit). I figured what the heck, I might as well take a look inside of this thing--and did. I was surprised to find zero lubrication inside the wrench. I have no idea why the company doesn't put some in. From my understanding, grease inside the wrench helps keep these things sound. So I took out the gear and slathered bearing grease on the whole thing and reinserted it. Then I put the screws back in with a good coating of blue lock-tight. The result? The wrench is now smooth and quiet, and I have no fear of losing the screws. I would highly recommend anyone buying this take the same steps. If you do, it's very likely this will last you a lifetime. I removed 1 star for having to do these things myself.
Rating:
[4 of 5 Stars!]