Lever Lockset, Heavy Duty, Commercial, Satin Chrome Finish, Function Classroom, Keyway Type Schlage, 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., Number of Keys 2, 1-7/8 x 4- 7/8 In....