Description: Easy Installation: This Door Reinforcement Lock requires no drill, preserving the integrity of your door structure. It's suitable for renters or anyone who prefers not to alter their doors, allowing for a quick and easy setupSturdy Security: Crafted from aluminum alloy, this Door Lock provides a secure hold that resists external force, enhancing your door's securityPortable Design: Compact and lightweight, this Home Security Door Lock is ideal for travel, offering additional security wherever you go. Its small size makes it easy to carry in your luggage or bagVersatile Use: Suitable for various types of indoor doors, whether at home, in hotels, or offices. Its design ensures compatibility with most standard door typesSturdy Construction: Made from aluminum alloy material that is wear resistant, ensuring long time to use without rusting over time Specification: Material: Aluminum Alloy Size Chart: 7.6 cmx4.4 cm/2.99 inchx1.73 inch Package Includes: 1 SetDoor Reinforcement Lock Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.