This is one very sturdy foldable knife for the price, there is no way I'd guess it were $20 for the quality given here, considering you are also given a whetstone in a bag that includes the knife in it as well. It has a very decent heft to it, the furniture on it feels nice and well-sanded, no splintering of any kind after a few months of use. The retention mechanism definitely requires me to use both hands 99% of the time when unfolding it and folding it back up. It is quite stiff and the screwSee full review