Pataki clamping claw, ati awọn oniru ti awọn clamping oruka jẹ concave ati rubutu ti clasped pẹlu fi agbara mu ju ori ijọ akoko-savers, USB clamping ibiti o jẹ nla, lagbara fifẹ resistance, le mabomire, dustproof, iyọ resistance, resistance to acid ati alkali, oti , girisi ati epo ti o wọpọ.