General description Set of 4 sliding window and door security locks designed for child safety. These locks help prevent accidents caused by open windows and unlocked doors, ensuring a safer environment for children. The locks are suitable for various applications, including homes, public institutions, hospitals, hotels, schools, and other areas frequented by children. Technical specifications Material: Zinc alloy and copper Includes: 4 locks and 8 universal keys (2 keys per lock) Rust-proof and durable construction Installation Easy installation with included stainless steel screws Drilling is required for installation White cap included for decorating the hole created by the electric drill Usage Locks can be adjusted up and down for maximum safety Suitable for most swinging or sliding doors and windows