To ensures, each of our Pivots hinges undergoes strict before leaving the factory If you have any question about our Pivots hinges, please us The Pivots hinge is selected from stainless steel, rustproof It supports heavy and wide door with ease and stability You can use this Pivots hinge for heavier and wide door without worrying about sagging or warping Whether you want a Bookcase Door, a Bookshelf Door, a, or a Hide Room, this Pivots hinge can handle Unlike conventional hinges that mounted on the side of the door, this Pivots hinge is mounted on the top and bottom of the door This gives it more strength and stability, Manufacturer: LIzogli