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Ideal for demanding commercial, industrial, and institutional applications, the CK4300 Series is a standard cylindrical lockset which combines traditional knob aesthetics with ANSI/BHMA Grade 1 reliability and durability.
Function:
Latchbolt by knob either side.
Outside knob locked by push button.
Outside knob unlocked by coin turned in emergency slot outside, by rotating inside knob or by closing door.
Inside knob always free.
Certifications:
UL listed and UL10c compliant
UL-cUL Listed for use on fire doors having a rating up to and including 3-hours
See more about Corbin Russwin CK4320 Grade 1 Privacy Cylindrical Knob Lock here