Cylinder replacement is available if all of them are same model. To replace from pin cylinder to X cylinder is no available. Please replace full set. For outside open (OR,OL) only. No strike for outside open.
Mounting Door Thickness (mm)
29 to 40
3 pcs MK GMK GGMK CNK other various devices can key extraction sensing device with a 6-pin cylinder X NX cylinder brass plate made key
Case / honing (S32H) knob / paper (S32P) Rose / paper (S32P)
Case / stainless steel knob / stainless steel Rose / stainless steel
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I used it to exchange keys. Since we selected the type that can be attached to the size and standard considering the manufacturer, installation work is about five minutes. It is a feeling that the outside knobs are not smooth and their familiar use while using them, but they seem to be problematic especially for locking.