General description This 2Pack Door Reinforcement Lock is a high-security solution designed to enhance the safety of your home. Constructed from extruded aluminum with a satin nickel anodized finish, this lock is built to withstand significant force, making it virtually impossible to breach from the outside. Technical specifications Material: Aluminum alloy Color: Silver Size: Approximately 7.6 cm (3 inches) Force resistance: Up to 800 lbs Measurement allowed error: +/- 1-3 cm Installation Non-handed design allows for easy installation on any swing-in door. Installation can be completed in just minutes. Usage Child-safe and tamper-resistant design protects against unauthorized entry. Prevents lock bumping and lock picking while in the locked position. Other information Package Contents: 2 x Door Reinforcement Lock with screws. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.