SYOSI 2PCS 180° Rotation Door Pivot Hinge, Concealed Door Hinge Hardware Hidden Bookshelf Hinges Rotation Concealing Hinges Swivel Door Pivot HardwareStainless Steel Rotation Secret Room Door Hinge, Small

Steps of Installation 1.First Step Separate the hinge into the upper page/steel ball/lower page, mark the places to be installed up and down the cabinet door, and punch holes with the diameter of the hinge shaft. 2.Second Step Fix the upper page on the cabinet door with screws, and fix the upper page at the lower end in the same way; install the lower page at a suitable position on the top of the cabinet, and install the lower page at the bottom of the cabinet in the same way. 3.Last Step Put the ball into the axis, install the cabinet door back into the cabinet, fit the upper and lower sheets, and finally complete the installation, check the opening and closing of the cabinet door. Axis rotating smoothly：The opening and closing of the hinge are silky smooth and silent Solid steel ball and counter sunk：Make rotation more labor-saving Easy installation：Comes with stainless screws Better protect your privacy：Great for bookshelf/cabinet/bookcase/room/wall/closet, etc 360° Smooth Rotation This pivot hinge can be 360 degrees of rotation hidden high, strong durability, is one of the indispensable accessories in home life. Brushed surface, elegant appearance, rust and scratch proof.

• SMOOTH ROTATION: The pivot hinge allows for a smooth 270°/360° rotation shaft designed for revolving doors, and the unique ball design ensures quiet and unobstructed rotation.
• EASY INSTALLATION: The hinge features a quick and easy installation process with up and down link function, and the rotating shaft has the added function of an upper and lower door hidden pivot. The hinge is nearly invisible after installation.
• PACKAGE INCLUDED & DIMENSION: The package includes 2 pivot hinges and 16 screws, with a total dimension of 2.95" x 0.71" x 0.79" / 75mm x 18mm x 20mm. The mounting hole diameter is 5mm / 0.2" and the plate thickness is 2.8mm / 0.11".
• WIDE APPLICATIONS: These concealed rotating door hinges are suitable for a wide range of applications, including revolving doors, swinging doors, kitchen doors, cabinets, closet doors, flip windows, wooden doors, aluminum frame doors, and more.
• HIGH QUALITY: Made of high-quality 304 stainless steel, the hinge is corrosion-resistant, rust-resistant, and has a strong bearing capacity, ensuring long-lasting durability and longevity.