MSA Safety Works 817893 Adjustable Faceshield Faceshield meets all applicable requirements of American National Standard Institute ANSI Z87.1-1989; This attractive faceshield is comfortable and functional. It features a high impact polycarbonate clear visor that is easily attached. The visor flips up, and stays put, when not in use. The ratchet suspension knob adjusts the size of the frame’s suspension to the user’s head, for a custom fit. A soft padded brow pad helps absorb perspiration, for added comfort.; Applications:; Weed/hedge/tree trimming; Grinding; Chipping/shredding; Power washing; Using power tools.