Cal-Royal SC Series, Extra Heavy Duty Mortise Locks with Clutch, Grade 1 - Corridor Function SC8456, F13 Small Format Interchangeable Core (SFIC) Exterior Dimensions: 55″H x 17″W

Exterior Dimensions: 55″H x 17″W x 16″D

Suitable for apartment and office buildings

UL437 - pick and drill resistance

Material: Hardened Steel Shell

Cal-Royal SC Series, Extra Heavy Duty Mortise Locks with Clutch, Grade 1 - Corridor Function SC8456, F13 Small Format Interchangeable Core (SFIC) Exterior Dimensions: 55″H x 17″WEntrance Function: Latch bolt retracted by lever from either side unless outside lever is locked by operating toggle button. Deadbolt projected by key from outside or by thumbturn from inside. Both deadbolt and latch bolt are retracted by inside lever simultaneously. Latch bolt is deadlocked when outside lever is locked or when deadbolt is projected. Outside lever is unlocked by toggle button if deadbolt is retracted. Inside lever is always free for