I am wondering why there is such a prevailance of hex screws used in knife handles. It would seem in my limited knowledge that a slotted screw would be a lot more user friendly. If the screws on a knife start to loosen up in the field or you need to remove the scales for cleaning etc. you need to have an allen wrench.:grumpy: I don't know about you but I generally do not carry an allen wrench but I do have a slotted screw driver on my Leatherman which I carry constantly. Sure I could make sure I have the appropriate allen wrench on me when I go out, but then I would lose it or forget it at home.
And besides I don't want to have to pack around one more item with a singular purpose.