Silver Cylinder Deadbolt Lock with Double Key, Round Door Knob for Bedroom, Bathroom, Adjustable and Secure

【Key Function】: The exterior door lock can be locked and unlocked from the outside using a key, and then locked or unlocked from the inside using the associated rotary knob. While primarily used to secure front and side doors, it can also be used anywhere additional security is needed. 【High Quality】: This deadbolt lock is made of premium aluminum alloy with high hardness, strong abrasion resistance, and corrosion resistance. The comfortable grip, polished finish, and smooth feel add a touch of sophistication to your home. The quiet lock body and smooth design help reduce noise when unlocking the lock. 【Size】: Adjustable latch (distance between the center of the hole and the edge of the door) - 60 mm or 70 mm. Suitable for door thicknesses of 35mm to 50mm. 【Easy Installation】: This deadbolt lock set comes with all necessary mounting hardware and instructions. Please do not force it if the installation process is not smooth, as this will damage the internal mechanism of the lock. 【Universality】: This keyed door lock can be used on both left and right-hand exterior doors. Suitable for exterior or interior doors where keyed entry, privacy, and security are required, such as entryways, front doors, offices, bathrooms, and bedrooms.