Enhanced Child Safety & Intrusion Prevention: These versatile locks are perfect for securing sliding patio doors, glass doors, or . Allow a safe ventilation that's too narrow for intruders to exploit, while preventing children from opening wide enough to risk falls. Aluminum Alloy Construction: Crafted from robust aluminum, these sliding door and window stoppers lasting security. The distinctive yellow key handle not only for easy identification but also adds of style to your security setup. Easy Installation with No Additional Tools: Equipped with double screws, these sliding window locks can be easily installed on window or door tracks to prevent sliding. The included hex keys facilitate a hassle-free setup, while rubber padding prevents scratches and enhances grip. Universal Fit for Sliding Fixtures: Measuring 2.4 inches in length, these locks are compatible with sliding and doors. They fit tracks up to 0.4 inches wide with rubber cushioning, and up to 0.67 inches without, ensuring a versatile use across different sliding fixtures. Key System for Enhanced Security: supporting a double-locking mechanism that safeguards against accidental openings by children or pets, enhancing overall safety and security in your living or work environment. Color: Picture Color Material: Aluminum Alloy Package Contents: 10* window lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.