SMOOTH OPEN AND CLOSEThis product is 4 inch Door hinges. It features an improved design with integrated ball bearings. The door opens or closes silently after a quiet,silent process. The spherical shaft design effectively ensures the soft and flexible door opening effect and the holding effect,and the door opens smoothly GOOD DURABILITY Stainless hinge is made of stainless steel,it is therefore corrosion resistant and not easy to rust. The brushed surface is smooth and can be used indoors and outdoors. The ball and bearing are closely matched to play the role of a buffer door EASY TO INSTALL Package contains high-grade mounting hardware quality for quick and easy installation. Comes with compatible screws to suit your needs and can be done in minutes. The plate-forming material is sufficient,the force area is large,the bearing capacity is strong,and it is not easy to deform,the force area is large,the bearing capacity is strong,and it is not easy to deform. MODERN ELEGANCE: Simple in shape and beautiful in appearance,door hinges come in a variety of colors with corresponding color screws. Suitable for a variety of decoration styles. Meet your aesthetic needs and add a touch of sophistication to your home WIDE APPLICATION This hinge is suitable for installation on various types of doors,including wooden doors/inset wooden doors. Suitable for domestic and professional hinges. They are ideal for fixing bedroom doors,entrance doors,bedroom doors,garden doors,fire doors,furniture doors,tool chests,etc. Quantity: 2