Invisible Door Hinges, 6″ 3D Adjustable 180 Degree (Black, 6 x 2.5 x 1)
(Hidden Door Hinge (6in)-2pc Invisible Door Hinges,3D Adjustable 180 Degree Invisible Hinges,88 lb.Load Capacity. (Black, 6 x 2.5 x 1). Invisible)： This is a concealed door hinge, with its core design focused on “recessed installation”: it is engineered to fit and hide inside the door through a specialized structure, thereby minimizing surface protrusions.