Construction: Heavy-duty Grade 2 lockset, solid brass cast exterior housing with deadbolt, metal pushbuttonsBacksets: Adjustable 2?" (60 mm) or 2?" (70 mm)Minimum Stile Recommended: 4" (102 mm)Door Preparation: ASA 161?easily installs on door preparation with one additional through bore hole; wood or metal doorsDoor Thickness: 1?" (41 mm) to 2" (50 mm)Fire Rating: Meets UL 10C on fire-rated doors up to and including three hours UL fire-rated deadboltDurability: BHMA 156.36, Grade 2; meets requirements of ANSI A156.25 for dust, rain, humidity, and salt spray corrosion testsEnvironmental: Outside and inside housing; -31 ?F to 151 ?F (-35 ?C to 66 ?C)
