Tell Lever Entry Lock Satin Chrome Gr 2 Complies 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