Whether for industrial, medical office, or commercial spaces, Lynn locksets are here when you need it most. Excellent replacement/upgrading option and for use in Medium to High Traffic facilities such as Schools, Government Buildings, Retail, Office Interiors, Commercial Interiors, Medical Facilities, Hospitals, Libraries, Hotels, Airports, Multi-Family Buildings, Condos. Cold Rolled Steel machined and threaded hubs and locking nuts - securely bolt the chassis to the door thereby preventing loosening the lockset even with hundreds of uses per day. Specifications: --NON-HANDED (fits both Right Hand and Left Hand Doors) --For Doors 1-3/8” to 1-3/4” (35mm to 44mm) --Backset 2-3/4” (70mm) --Front Stainless Steel, 2-1/4” x 1-1/8” (57mm x 29mm) --Strike ANSI (4-7/8” x 1-1/4”) --Roses 3-3/8” (90mm) Diameter Stainless steel --Fits 161 door prep --Latchbolt Stainless steel 1/2” (12.5mm) throw standard In box: --1 Cylindrical Lockset - Classroom Function Function (Commonly used in School Classrooms. Exterior lever is placed in the locked or unlocked position with key. Set the exterior lever to be either locked or unlocked using the key. Interior lever is always free for emergency egress at all times. --Mounting Screws and bolts --User Friendly Instructions & Template --1 ANSI Strike --1 Reversible Latch Unit --2 pre-cut keys (SC-Keyway (6 pin cylinder), that is rekeyable Warranty: 10 years Certification: --ANSI/BHMA Certified A156.2 - Grade 2 (exceeds 400,000 cycles) --ADA Compliant A117.10 --cUL/UL Listed - 3 Hours