Lost a screw or need to replace a worn-down piece of your helmet? Don't lose it; we've got you covered. These strong metal screws are designed for use with the Warrior/ Advanced Combat Helmet (ACH) to replace the existing harness and chin strap hardware. They are made of solid metal and will last throughout extended use in harsh conditions. These screws work together with the Warrior/ACH Helmet Mounting screw posts to ensure secure attachment and lock in everything in place.