Ratchet headgear with crown extender for use with any 3M™ Faceshield helps provide face protection. High-strength thermoplastic crown provides impact resistance. Adjustable ratchet suspension with five position crown strap. Benefits Adjustable ratchet suspension Crown extender for added coverage Five position crown strap Headgear gives users a wide choice of faceshield materials, sizes, shapes, and tints for task specific requirements Meets the requirements of ANSI Z87.1-2003.