Safety products are compatible with accessory slots, beak lengths, and angles for almost every make of hard hats. System offers 20 different face shield models in different sizes, materials, and for various applications; 3 versions of visor brackets (carriers) that accommodate short and sloping brims; 3 different blades that provide accurate fit with most hat accessory slots; and 4 models of cap-mount ear muffs with noise reduction ratings from 24 to 28 dB. Safety helmet shown features pin-lock and ratchet suspensions. All products comply with relevant ANSI standard. Elvex Corp., Bethel, CT