Tell CL100011 Commercial Grade 2 Door Entry Lever Lock, Brushed ChromeComplies with ANSI A156. 2, Series 4000, Grade 2, (400,000 cycles), UL ULC listed for 3 hour fire door. ANSI A117. 1 American Disabilities Act (ADA). Cylindrical, steel coated with zinc dichromate (corrosion resistance), freewheeling clutch (added security from hammer attacks), independent spring cages. Non handed, solid cast lever. 1 1 8" x 2 1 4" latch, square corner faceplate, 1" housing diameter (stainless steel), 1 2" throw. 3 1 2" diameter rose.