Thank you for viewing. Knob type Replacement cylindrical lock. Lock, auxiliary lock, and lock series For interior doors. For private rooms, toilets, bathrooms, etc. (with inside key) Backset 90mm Long front type Can be locked from the inside. For doors of rooms where you want to protect your privacy. Replacement cylindrical lock of 90mm x 25mm, compatible with 28mm-46mm. - Model: NP-PS43CS-90LF - Latch front: 90mm x 25mm - Screw pitch: 41mm - Door thickness: 28mm-46mm - Backset: 90mm - Front stamping: PBF41 - Type: Replacement cylindrical lock - Accessories: Instruction manual - Color: Silver This is an unused item that was purchased but not used. It is unopened and looks clean, but there may be some dirt due to storage. I will sell it at a bargain price to those who need it. Thank you.