Electrified Mortise Lock, Secure on Power Loss, 12V, REX, No Cylinder, MOCN Trim, Satin Stainless Steel. Yale's 8800 Series Mortise Locks are engineered for robust strength and longevity across various commercial uses. Installation is simplified with swift lever adjustment, reversible latchbolt in the field, and standard non-handed strike. This series boasts enhanced security with a reinforced stainless steel deadbolt, durable, vandal-resistant trim, and ANSI/BHMA Grade 1 certification for extended life.