Propionate visor provides distortion-free optics along with chemical and impact resistance. Visor is compatible with Fiber-Metal hard hats with Quick-Lok™ blocks. Type: Wide Color: Clear Material: Propionate Visor Thickness: 0.06 Visor Height: 8 Visor Width: 16-1/2 Suitable For Use With: F400 and F500 Faceshields Specifications Met: ANSI Specified, SEI Certified Brand: Fibre-Metal® by Honeywell