This babyproof door lock is made of aluminum alloy material, with high hardness, will not easy to deform or break, which can withstand use. Simple structure, light weight, easy to use, can be used for most kinds of doors like home, apartment, anti-theft doors, satisfy your demands. Features - Color: Black -Material:Aluminum Alloy - Size: 7.50X6.20X3.50cm/2.95X2.44X1.38in -Note:Suitable for 10-15mm door frame fixing plate -Elliptical hole center distance:40mm - Adopting good material with workmanship, the safety door lock will not easy to wear, sturdy to withstand long using life. - The door security lock is easy to operate and can be locked or unlocked quickly, save your time and efforts. - Practical door lock reinforcement can prevent children from opening the door without supervision, ensuring the safety of children . - This security door lock is compatible with various types of doors, easy to install, suitable for a variety of home security needs. - The safety door lock can work good for keeping children from sneaking out the front door. Package list: 1 Reinforcement Lock