Tell Mfg CL100017 Brushed Chrome Privacy Lever, Rated Commercial Grade 2 heavy-duty with brushed chrome finish, steel chassis, corrosion-resistant coating, and push-button interior. For use on doors 1-3/8 to 2-inch thick. Latch size 1-1/8 x 2-1/4-inch with square corner faceplate, 1-inch housing diameter and 1/2-inch throw. Backset 2-3/4-inch, T Strike 1-1/8 x 2-3/4 x 3/32-inch, UL Listed, 3-hour fire rated, 1-year limited warranty.