(KT2181). Light-duty commercial entry ball knob. Satin stainless steel (US32D). Performance: Complies with ANSI A156.2, Series 4000, Grade 2, (400,000 cycles), UL listed for 3 hour fire door. Keying: 6 pin SCC keyway with 2 nickel keys per lock. Door range: 1-3/8″ to 1-3/4″. Backset: Adjustable 2-3/8″ to 2-3/4″ standard.…