This item is an adjustable concealed door hinge replacement. It will provide convenience in replacing worn out or broken door hinge with this one. A must have accessory for household hinge repair. Invisible design, traceless after closing the door, very elegant. Designed for connecting wooden door and door frame. Features - Color: Silver. - Material: Zinc alloy. - Size: 4.50X3.70X1.10cm/1.77X1.45X0.43inch. - Rigorous process, selected good zinc alloy material manufacturing, seemingly simple, but everywhere is delicate. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. - Both left-opening and right-opening doors are applicable. Small spacing design, prevent pinching your hand, use at ease. - With decorating up screw holes, and beautiful. - Invisible design, traceless after closing the door, very elegant. Designed for connecting wooden door and door frame. Package list: 1 x hinge