General description The CSPARKV 4Pcs Door Screw-in Hinge is crafted from high-quality zinc alloy, ensuring durability and resistance to rust and corrosion. With a sturdy structure, these hinges provide stability in various environments, making them suitable for both indoor and outdoor use. The exquisite design complements modern styles, enhancing the elegance of your home. Technical specifications Material: Zinc alloy Load-bearing capacity: Up to 40 kg Maximum opening angle: 90 degrees Rotation angle of removable inner hinge: 180 degrees Installation Easy assembly with included 4 renovation hinges Can be installed without separating door alignment Usage Suitable for wooden and metal doors Ideal for fixing various types of doors including bedroom, entrance, garden, fire, and furniture doors Applicable for both private and commercial use