Electrified Mortise Lock, Fail-Safe, 12V, REX, Less Cylinder, MOR Trim, Satin Stainless Steel. Yale's 8800 Series Mortise Locks are engineered for robust strength and durability across various commercial settings. Installation is simplified with quick lever adjustment, reversible latchbolt in the field, and standard non-handed strike. The 8800 Series boasts enhanced security with a reinforced stainless steel deadbolt, heavy-duty, vandal-resistant trim, and ANSI/BHMA Grade 1 certification for extended lifespan and durability.