Upgraded Double Glass Locks Enhance the security of your heavy doors and windows with our upgraded double glass locks. Engineered with exquisite craftsmanship, these locks feature a robust aluminum alloy frame and durable stainless steel screws that can withstand repeated use, providing a solid and sturdy solution to protect your home. Key Features: - Enhanced Security : Designed specifically for heavy doors or windows, these double glass locks offer superior protection against unwanted entry. - Durable Materials : Made with high-quality aluminum alloy and stainless steel for long-lasting performance. - Easy Installation : Comes with a hex key for quick setup, requiring no additional tools. - Versatile Compatibility : Fits horizontal/vertical windows and sliding glass doors; not suitable for plastic window frames. Specifications: - Quantity : Includes 4 double sliding window locks with 4 keys. - Size : Approximately 6 x 2.54 x 2.4 cm (2.36 x 0.95 x 0.95 inches). - Track Compatibility : Suitable for tracks with heights above 1.2 cm (0.47 inches) and thickness not greater than 1.6 cm (0.63 inches). Please ensure your window track dimensions match these specifications before purchasing. Practical Applications: - Child Safety : Secure your windows while allowing for air circulation, preventing falls and keeping your family safe. - Home Security : Deter potential intruders by securing your windows effectively, providing peace of mind whenever you are at home or away. - Versatile Use : Ideal for various environments, from residential homes to offices, ensuring that you can keep windows partially open while maintaining security. Invest in peace of mind and safety with our upgraded double glass locks; a practical solution for your security needs.