Exit Device, Rim, Hex Key Dogging, Heavy Duty Performance, Grade 1, Satin Chrome Finish, Door Width 37 in to 48 in, Series 99, Door Height 84 in, For Door Thickness 1 3/4 in, Door Handing Non-Handed, Yes, No, Standards ANSI/UL 305, CAN/ULC-S132, Lockset Function Higher Education, Government Buildings, Hospitals, Classroom, Type Exit Grade 1 exit device is made for heavy traffic applications. Use on flush and wide-stile doors. Fits doors 1-3/4″ to 2-1/4″ thick up to 7-ft. high.