Yale 8800 Series Mortise Locks are designed and manufactured for uncompromising strength and durability in a range of commercial applications. Lock installation is made easy with quick lever handing, field reversible latchbolt and standard non-handed strike. Once installed, the 8800 Series Mortise Lock offers a new measure of security, featuring a reinforced stainless steel deadbolt, heavy-duty, vandal-resistant trim and ANSI/BHMA Grade 1 certification for long life and durability. The 8800 Series Mortise Lock is even backed by a 10 year mechanical warranty, making this product completely worry-free. Heavy-duty trim for resistance against damage and vandalism. UL/cUL listed for 3 hour fire rated doors. For Offices, shopping centers, industrial buildings, commercial facilities.