I bought alot of impact sockets, many years ago. They were all brands like Campbell Hausfeld, and import Stanley,etc. They never gave me any problems, but I "upgraded" to a big Snap-on set. After just 1 month, the Snap-on impact sockets looked worse, than 10 yr. old import cheapies. The hex was rounded and the drive end was heavily worn??????The price of one Snap-on socket, would pay for a whole other set of cheap ones, that were more durable. I have Cornwell ones now, and they have proven TOUGH!
Snap-on would not warranty the sockets for wear, even after they fell off the impact gun real easy, and the hex was beyond deformed. I was told it must be my air tools had worn anvils. My air tools were all Snap-on/Blue Point, at the time, All less than a year old. I told the guy, my .99 cent apiece sockets didn't wear like this. He had no comment, but would not warranty the sockets, because they were not broken per say.
Remember, I was a regular customer at a dealership, at the time. I was not a off the street guy, looking for easy warranty. Pathetic