The pivot screw on my PT Strider is loose so the blade wiggles. After some research it sounds like a #10 Torx driver is needed to tighten the screw and it seems to have worked expect now it is too tight so it is difficult to extend the blade. However, if I loosen it to where I can extend the blade more easily then the blade wiggles and the pivot screw is loose. It doesn't seem like there is an in-between. Any advice? Thanks