Mechanical Lever Cylindrical Lockset Function Passage Lockset Grade 1 Style 10 Line B Lockset Finish Satin Chrome Key Type Not Keyed Standards ANSI A117.1 Accessibility Code ANSI A156.2 Series 4000 California Reference Code Federal Specifications FF-H-106C ADA Compliant Yes Lockset Fire Rating 3 hr Backset 2 3/4 in Ligature Resistant No For Use With ANSI 115.2 (161 Modifed) Door Prep Handle Material Brass Bronze Cast Steel Wrought Item Lever Key Material Nickel Silver