Surface Vertical Rod, Surface Vertical Rod, Less Dogging, Medium Duty Performance, Mechanical, Grade 1, Aluminum Finish, Door Width 48 in, Series 19, Door Height 84 in, Fits Stile Width 1 3/4 in, For Door Thickness 1 3/4 in, Door Handing Left Hand Reversible, Yes, Yes, Standards ANSI A156.3 2001 Grade 1, Lockset Function Commercial Buildings, Multi-Family, Office, Retail Stores