The Corbin Russwin ED8200A 48" 691 Light Bronze Painted Finish 3-Hour Fire Listed Rim Exit Device-Panic Bar ,are made of Heavy-duty steel construction and Grade 1 performance, this rim exit panic device meets rigorous life safety and security requirements, while offering pleasing aesthetics and trouble-free operation. All ED8200A 48" 691 Light Bronze Painted Finish 3-Hour Fire Listed Rim Exit Device-Panic Bar are designed for high-use, high-abuse situations. 3/4" latchbolt, Standard on Corbin ED8200 devices: Institutional, EDU s , Goverment, Retail, Hotels, Factories, Labs, Ect. Corbin Russwin Exit devices, lever trims and pulls comply with Americans with Disabilities Act