Lever Lockset, Heavy Duty, Commercial, Aged Bronze Finish, Function Classroom, Grade 2, Material Zinc, Steel, For Door Thickness 1-3/8 to 1-3/4 In., Backset 2-3/4 In., Crossbore Size 2-1/8 In., 1-7/8 x 4- 7/8 In. Strike, Required Door Thickness 1-3/8 to 1-3/4 In., Standards ANSI/BHMA A 156.18, Fire Rated 3 hr. This item has been restricted from sale in the following state (s): []