- Dec 19, 2016
Here is a fresh out of the box 31. The blade is perfectly centered when closed and completely tight when opened. The action is as smooth as can be. There is no flex when I apply hand pressure to the spine of the blade. The blade does not move off the stop pin, and there is no clicking noise. I will not whack the spine, and I will not do a table test. I just used hand strength to manipulate the blade. It is rock solid.
I am not saying that some people might not have defective knives, but the one I received is perfect. I have to believe that at least some of the issues people are reporting are due to obsessiveness. I would imagine that if I took this knife apart and put it back together several times, polished/sanded the washers, removed metal from the pivot bushing, or adjusted the stop pin multiple times that I could make it defective.
As far as I am concerned, the 31 is a fine knife. It is every bit as good as the 21 and probably less likely to suffer lock failure than the 21 because of the ceramic ball interface. Of course, I believe both the 21 and the 31 are perfectly safe.
Some might prefer one over the other, but that is just a personal preference. Both the 21 and 31 are great knives.