360 Smooth RotationUp and down linkage function, hinge installed on the central axis of the door, can be switched 360, installed on the side, can be switched 180, to meet the needs of different styles and scenariosUnique bearing design Precision and unique design of base bearing device makes the door move quietly, smoothly and flexibly.High Load-Bearing Base support up to 570 LB/ 260 kg. High quality stainless steel, excellent forging process, scientific structure design, 30pcs high quality screw fixation. The hinge provides stable and strong support for the doorSturdy Metal ConstructionThe sturdy metal structure is made of thick solid stainless steel, which is sturdy and durable. The surface is specially treated to prevent rust and breakage ,fine workmanship, Increase longer service lifeApplicationHidden door hinges for secret door,Hidden door hinge,Murphy door hinge kit,Murphy hidden door bookcase,Pivot door hardware,Pivot door hinge ,Hidden hinges for secret door, Secret door bookcase, Heavy duty pivot door hinges, Door pivot hinge set, Hidden bookshelf door,Secret door ,Swinging door hingeWide Application Suitable for wooden doors, aluminum frame doors. Special design and manufacturing for Hidden door,Heavy duty door,Secret door,hidden door bookcase,bookshelf door,swing door, hidden shelf door,and murphy door hinge kit for murphy door. You can create hidden doors according to your needs. Installation is fast and simple with our hinges,which include all necessary hardware.