Jackson Safety MAXVIEW™ Series Premium Face Shields with Slotted Hard Hat Adaptor Exclusive Hard Hat Interchange System (HHIS) allows quick changeover of equipment without having to remove your hard hat. Lightweight design for total comfort and all-day use, meets ANSI Z 87.1 + and CSA. 2 inch larger window ensures maximum protection and panoramic view. Detents keep window firmly in the up or down position until manually adjusted. Framed side and chin area provide added protection Pack of 1