Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - SECTIONAL TRIM CLOSET / STOREROOM Function F65, Left-Hand (CS-TS) Finish:Satin Stainless Steel - US32D That’s thicker and longer than

That’s thicker and longer than the industry standard for high security gun safes

pick and bump resistant cylinder

Easily reversible

So I'm guessing you're wondering how they did it

Burglary Rating: CA DOJ

Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - SECTIONAL TRIM CLOSET / STOREROOM Function F65, Left-Hand (CS-TS) Finish:Satin Stainless Steel - US32D That’s thicker and longer thanCloset Storeroom Function: Latch bolt retracted by knob or lever from either side. Deadbolt extended or retracted by key outside. Any door in commercial or institutional buildings where the best auxiliary Mortise deadbolt locks are required Backset: 2 ( 70 mm ) Door Range: 1 ( 44 mm ), available to 2 (57 mm ). Specify thickness if other than 1 Deadbolt: 1 ( 25 mm ) throw, stainless steel, can withstand cutting or sawing Cylinder: 1 Mortise cylinder