Simply put, the Falcon T-Series lock is the most versatile lockset in the industry. This extra heavy duty lock can accept any manufacturer’s cylinder, and the cylinder can easily be removed for quick, easy re-keying. Redesigned with a compression spring behind the cylinder, the T-Series is now stronger than ever and lever sag has been virtually eliminated. This adaptable lock is well suited to either new construction or retrofit use in buildings as varied as multi-family, retail, institutional and government/military. Levers are solid pressure cast zinc, finished to match mating parts. Roses are wrought brass or bronze installed over steel through-bolted rose inserts. Pressure Release levers are standard. Levers are secured by a spring-loaded retainer. Retainer cannot be depressed when locks have been locked. 10 years warranty.