Durable and High Quality: Adjustable spring door hinges made from steel,matte black finish ,durable and sturdiness,which means that it can last on your doors for a very long time
Adjustable Tension and Self Closing :The hinge is can adjustable and self closing, the spring tension can be increased or decreased by using the included adjusting tool.You can set different closing speeds for door
Easy to Installation :Adjustable door hinge with mounting screws and adjust tool so installation is quick and easy
Accessories: 16 pcs #10x1" flat head cross self-tapping screws with nickel-plated tail, 16 pcs #10x1/2 flat head cross self-tapping screws with nickel-plated tail, 1 M4 adjustment rod, 4 stop screws
Wide Applications: spring door hinge making it Security Ideal for Residential, Hotel, Office, Hospital, Old School, Dorm, Company, Shop, Factory, Classroom, Library, Gym, Gym, Cabin, Kitchen