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. Strike: T strike 1-1/8" x 2-3/4" standard. Tubular construction. Deadlocking latch bolt operated by knob from either side except when outside knob is locked by push-button on interior. When exterior knob is locked, key in exterior knob or operating knob from interior unlocks push-button and retracts latchbolt. Closing door does not release push-button. For keyed alike, member must order directly from vendor.
These door knobs are constructed from glass. They feature a 2in. diameter. This set of knobs is designed for indoor use only, and it includes a 17/64 in. x 3-1/2 in. steel spindle with 3/8 in. -20 thread. These knobs come complete with hardware for a quick and easy installation. Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov