For locked storage room application Operated by knob inside or key in outside knob, Outside knob is always locked. Inside knob is always unlocked
Master Lock BLC0232DKA4 Storeroom Cylindrical Ball Knob, Commercial Grade 2, Brushed Chrome Finish
4600LN Series Yale Commercial
Door Handlesets, Door Hardware
Taco - Commercial - Door Locks - Door Hardware - The Home Depot
Yale Products - - 800-447-0591
Yale 5400 Series -Grade 1 - Double Cylinder Lockset - Utility, Asylum or Institutional
Heavy-Duty, ANSI/BHMA Certified Grade 1, Outside Always Locked - Entry by Key Only, ADA Compliant, 3 Hour Fire-Rated
4705LN MO Storeroom Lever Lockset
Cylindrical Knobset
Yale-8800FL Mortise Lock-Single Cylinder-Grade 1 - Security Product Depot
Corbin Price List - PLS HOME PAGE
Yale-4300 Series Single Cylinder Knob-Storeroom-Closet
Yale Lock Sets
Global Door Controls GAL-1180L-R-626 Eiffel Style Commercial Storeroom
Yale Assure Lock 2 Touchscreen with Wi-Fi in Oil Rubbed Bronze
Yale Lock Sets