Micro Penta-plus self tapping screws are usually used in tamperproof application in plastics. They often come with a blunt point and plastics threads. They can be power driven and can accept more torque than most other tamperproof screws. They are available in smaller sizes (#2) than other tamper resistant screws. They become an economical high security tamperproof screw that is the best micro tamper proof screw on the market.