Value Set: You will receive four double action hinges, and the installation tools will be prepared for you. The double swing hinges design is reasonable and the installation process is simple, without complex tools and expertise, you can easily complete the installation, saving you time and effort Automatic Closing: The self closing door hinges uses the principle of spring to realize double opening inside and outside and automatically closing the door. Whether it is pushed outward or pulled inward, the swinging door hinge can achieve smooth and unimpeded two-way operation, which greatly enhances the user experience Easy to Install: The hinges design is reasonable, the installation process is simple and fast, without complex tools and professional technology, you can easily complete the installation, saving you time and effort Easy to Adjust: Spring door hinge is also designed with adjustment device, according to the needs of use, through the hole position on the spring hinges, the closing speed is fine-tuned, convenient and fast, to meet your individual needs Reliable Materials: The spring hinge is made of high-quality stainless steel, which can withstand the large weight of the door body to ensure the stability and safety of the door. In addition, the shaft inside the door hinge is thickened, which has strong weighing capacity and long service life, Manufacturer: Guleite