Plastic magnifier plate, plate size: 2" x 4-1/4", characteristics: 1. 00 diopter, for use with: elite, performance and pro-hobby series helmets, function: offers visual assistance for those who need additional viewing magnification. Plastic magnifier plateFor use with elite, performance and pro-hobby series helmetsPlate size: 2" x 4-1/4"Model # 212236.
