Knob cylinders
The advantage of a knob cylinder is that you can always close the door quickly and easily. This way you don't have to look for your keys first when you want to open/close the door.
Another advantage of a knob cylinder is that you can never leave your keys on the inside and therefore do not need a DUO function.
Go for convenience and choose a knob cylinder, they are available in all sizes. Check carefully which side the button should be on. When choosing your cylinder, make sure that the B side is the knob side or the inside.
You measure a cylinder from the screw hole at the bottom of the cylinder to each end.
Would you like to open different cylinders with 1 key? Then inquire about our closing plans! This allows you to indicate which key you want to use to open which room. Or who you want to give access to which room. Think of companies, hotels, b&b's, ...