Rugged: Door knob lock cover- Made of high-quality steel, powder coated to prevent corrosion and rust, code padlock included in the package. Privacy Protection: Bedroom door lock from outside- Prevents unauthorized backup keys from entering the room. Wide Use: Doorknob lock-Suitable for standard door handles/handwheels - Suitable for round, tulip and oval door handles, not suitable for lever door handles. No Entry: Door lock cover - When the payment is in arrears, it can be used to refuse entry to the rental property without the need to change the door lock immediately. No installation required: Door locks without drilling-Quick and easy installation on the door handle, giving you instant peace of mind.