Smooth and Quiet Operation: Our window hinges feature friction hinges for smooth and effortless opening and closing, eliminating the loud squeaking commonly associated with traditional casement window hinges. High Load-Bearing Capacity and Wide Compatibility: This window hinge supports left and right installation for two-way operation. It is compatible with most casement windows made of aluminum alloy, wood, iron, or other materials, offering strong load-bearing performance. Reliable Weather Seal: The friction hinge mechanism ensures windows remain securely closed, maintaining a tight seal that provides effective protection against rain, wind, and dust in various weather conditions. Durable and Long-Lasting: Constructed from high-quality stainless steel, these hinges offer excellent durability and weather resistance. They are rust and corrosion resistant, suitable for both indoor and outdoor applications. Versatile Installation: These hinges can be installed on a wide range of casement windows regardless of material or size. They are designed for easy installation or replacement, making them a practical choice for various window types. Product Size: 30.5 x 2 cm