【8-Piece Sash Window Locks Set】: This comprehensive set includes 8 sash window locks, 16 screws (2 per lock), 16 screw covers (2 per lock), and 1 high-quality crystal-handled screwdriver. Ideal for homeowners, landlords, and holiday property managers, it provides a professional security solution to reinforce doors and windows efficiently. 【Premium Zinc Alloy Construction】: Crafted from durable zinc alloy with anti-corrosion treatment, these locks resist harsh weather, preventing rust and wear. Their smooth operation ensures long-term reliability. The minimalist design seamlessly integrates with existing window hardware, offering an upgraded security solution for UPVC windows and enhancing home safety. 【Enhanced Security & Peace of Mind】: Our door jammer acts as a robust anti-burglary barrier, reinforcing sliding windows, patio doors, and UPVC frames. It prevents accidental opening, safeguarding households with children or pets. Rest easy knowing your home is protected. 【Easy Installation】: Install these window locks and door security devices effortlessly without professional help. All necessary tools are included. Simply position the lock, insert the screws, and attach the decorative covers for a tidy finish. No additional tools required. 【Versatile Application】: Compatible with UPVC windows, wooden sliding windows, sliding patio doors, and casement windows, these locks suit both modern and traditional properties. Included screws and covers conceal installation points for a clean appearance. Perfect for schools, homes, offices, bars, and gardens, Manufacturer: CFHX