Ratchet headgear for use with any 3M™ Faceshield. High-strength thermoplastic crown provides impact resistance and face protection. Adjustable ratchet suspension with five position crown strap. 3M™ Ratchet Headgear H8A, Face Protection 82501-00000, is a high-strength thermoplastic crown that provides impact resistance protection to the head. Use this headgear with 3M faceshields (sold separately) for combined head and face protection. Adjustability and a five position crown strap allow for a customized fit that is more comfortable to individual wearers. With an adjustable ratchet suspension, this headgear features a unique system that allows faceshield window replacement in seconds and helps provide a precise fit.