Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - ESCUTCHEON TRIM CLOSET / STOREROOM Function F65, Left-Hand (VE-ZE) Trim:VE you can't beat the quality

you can't beat the quality or the price

Screw holes 4-15/16"

Simply remove the existing mechanical cylinder and install the XT cylinder

Interior Dimensions: 19 5/8" (H) x 19 3/4" (W) x 16" (D) / Lock box: 9 3/4" (H) x 19 1/2" (W) x 15 1/4" (D)

Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - ESCUTCHEON TRIM CLOSET / STOREROOM Function F65, Left-Hand (VE-ZE) Trim:VE you can't beat the qualityCloset 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