You are correct that they are Torx head screws. The main pivot is a T10, those small screws for the clip are T6. Knives shipped out of the U.S. to certian countries such as the UK have the pivot screw tightened down so as to prevent problems with overzelous customs agents who have been known to be difficult with AXIS Lock knives, sometimes deeming them to be a "gravity knife" and illegal. I will mention to Aeromedix that they should advise customers such as yourself of this prior to consumating the purchase; it shouldn't be a surprise.