Cylinder CY161U Internal key housing for closed door security lock.Burglary protection level FK class 3, security locks.Unlock and lock the inside of the door with a key.Key housing can be serialized for ABLOY SENTO, ABLOY PROTEC², ABLOY PROTEC and ABLOY CLASSIC key systems.Multiple surface treatment options. Specifications Mechanical combination Yes Door type Solid Cylinder shape Finnish Type of product Cylinder Lock material Steel Cylinder type Single Disc/Pin quantity 11 Special features Cylinder technology Disc Platform ABLOY NOVEL Close Downloads ABLOY_CY161U_Data_Sheet_1.pdf (.pdf, 330 kB) Close Cylinder CY160External key housing for closed door security lock Cylinder CY016UOuter cylinder for solid doors. ABLOY NOVEL lock system. Cylinder CY062UDouble cylinder for solid doors. ABLOY NOVEL lock system.