Japanese latches may not be compatible with overseas door knobs.
It is recommended that customers buy door knobs from Western manufacturers in antique shops and flea markets overseas.
You may not be able to install this door knob when you purchase your favorite door knob and try to install it on your door.
The cause is due to the difference between door knobs and Japanese manufacturers latch standards.
Japanese manufacturer door knobs are often provided with a spindle less than 7.0x7.0mm (lead bar connecting the door knob to the latch), but European manufacturers spindles are standard 8.0x8.0mm.
The cam hole of this latch adopts 8.0 x 8.0 mm, widely used in Europe and America.
If your door knob is not able to attach to your latch, please measure the spindle size onceMaybe you can install this latch.
This is not guaranteed to install door knobs from all European and American manufacturers.
Please make sure to check the size when installing.