Universal face shield system that adapts to most helmets. Designed to fit all advanced style Military helmets. Integral rubber seal provides a liquid barrier at the helmet / shield interface. Shield locks into the stowed or deployed positions and can be released with one hand. Pivot and lock assembly can be transferred to the right or left of the shield for individual preference. Specifications: Unparalleled fit and function over any similar product. Certified to NIJ 0104.02 for Police use. Material: Polycarbonate Anti-fog and Hard Coated Color: Clear Fits all Advanced Combat Helmets such as (ACH), MICH and PASGT helmets. Shield thickness .250 "Shield Length is 6" to accommodate the use of a NBC Cartridge on a Gas Mask