This spring hinge automatic door closing capability, providing convenience and ease of use for home or The Concealed design of this door hinge ensures elegant and seamless appearance, blending seamlessly with your door design Make from Aluminum alloys, this door hinge durability and resistance, ensuring long terms Equipped with a damping rebounds feature, this hinge ensures a soft and gentle touch on your door Designs to fit various door types, easy installation, Manufacturer: amangul