Single Cylinder (B250) - Deadlocking latchbolt retracted by key from outside or by inside turn unit. Rotating turn unit and activating hold-back feature keeps latch retracted.
Double Cylinder (B252) - Deadlocking latchbolt retracted by key from either side. No hold-back feature.
Select preferred finish (3 finishes available) and function (2 functions available) to view detailed product information.