Cronus® Knobs

Mul-T-Lock’s Cronus cylindrical locksets offer convenience, quality, and value. Mul-T-Lock high security cylinders inside enhanced quality grade-2 locksets offer a complete package for residential and light commercial applications.


  • Mul-T-Lock High Security Key in Knob Cylinder
  • UL437 Listed for Pick and Drill Resistance
  • ANSI/BHMa A156.2 Series 4000 Grade 2, UL Listed for Use on 3 Hour, a Label Single Swinging Doors
  • 2 3/8” (60 Mm) or 2 3/4 (70 Mm) Backset
  • Brass 1/2” (12.7 Mm) Throw, UL Listed, Guarded Latchbolt on All Locking Functions
  • 4 7/8” ANSI (124 Mm), 2 3/4” (70 Mm) T Strike or 2 1/4” (57.15 Mm) Full Lip Strike


  • ANSI Grade 2 Locking Mechanism
  • UL Fire Rated Latch
  • High Picking, Drilling, and Bumping Resistance
  • Supported by Mul-T-Lock’s Key Control Systems


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