Half Cylinder with One Side Knob
Size : 55mm
Finish : Satin Brass
The cylinder may contain any of a variety of locking mechanisms, including the pin tumbler lock, the wafer tumbler lock and the disc tumbler lock.
A cylinder lock, also known as a profile cylinder lock, is that the cylinder may be changed without altering the bolt work hardware. Removing the cylinder typically requires only loosening a set screw, then sliding the cylinder from the bolt work. .