Description: Durable Material: The outer casting of the lock is made of plastic, the steel wire is connected at both ends, and the lock structure inside is also made of steel, which is durable and durable for home use is secure enough. Drill-Free InstallationUsing a large-area 3M firm adhesive pad, it can be stuck on a flat and smooth surface without worrying about openings and won't destroy the home decor . Quality adhesive can last for a long time and leaves no residue after peeling off. Safety Protection: Paired with our child safety lock, you can make your kids feel comfortable exploring their homes. Wide Range of Applications:The door or window lock can be used as a refrigerator door lock, cabinet lock, file drawer lock, window lock, printer drawer lock, tool box lock, etc. It can prevent children from opening windows one by one. Specifications: Material: 304 stainless steel + plastic Color: Black Lock head size: 5.6 x 3.8 cm / 2.2 x 1.5 inch Steel wire size: 20 cm / 7.87 inch Package includes : 2 Guard Security Lock Note: Please allow some differences due to manual measurement. 1. The child safety window security mounting plate is self-adhesive , no drilling is required, and the installation is simple and convenient. 2. The refrigerator door lock prevents beer, medicines or other fragile items from getting into the hands of children. 3. Effectively prevent children from accidents caused by opening windows or oversized refrigerators. 4.Just stick it where you want, turn the key and remove the buckle to open the fridge. 5.Child lock can keep your curious kids away from drawers and cabinets that contain dangerous tools or chemicals.