The Yale 1109 is a trusted 5-pin rim cylinder widely specified across UK properties. Engineered as a direct replacement for Yale's modern and traditional nightlatch ranges, it's ideal for lock changes during property transitions or when upgrading compromised cylinders. Each unit arrives with two genuine Yale keys and fixing bolts for straightforward installation. The cylinder accommodates doors between 38mm and 57mm thick, with the tail easily cropped to your exact specification. A reliable, genuine component for maintaining security standards in residential applications.