Windproof Fixed Door Window: Specially designed for old-fashioned wooden windows and Chinese ancient architectural windows, effectively fixing the external window sash, preventing strong winds from causing the sash to collide, damage the glass or fall off, and balancing ventilation and safety Simplified Chinese Design: There are 8 sizes to choose from, and simple designs can be turned into the angle you want with tools. It is not only a practical window buckle, but also a perfect accessory for courtyards, old houses, and vintage decorations, compatible with both new and nostalgic Chinese decorative styles Easy Locking+Insect Protection: When closed, it can be used as a simple door latch/window bolt to block mosquitoes, insects, and small animals from entering; Firmly installed, balancing daily limit and basic anti-theft, essential hardware for old house renovation Durable Stainless Steel Material: Made of stainless steel material, it is sturdy and durable, not easily deformed or rusted, and can effectively serve as a fixed support Easy Installation: Equipped with screw accessories, it can be fixed by drilling holes, making it easy for DIY beginners to operate. It is suitable for various traditional buildings and widely applicable to most traditional door and window specifications., Weight: 0.551155655 pounds, Manufacturer: Mgoodoo