Excellent pivot set option when door weight stress on traditional door frame butt hinges is a concernEnables a doorway that pivots from a point on the floor under the doors center instead of from hinges on the side of a door frameAllows for alternative to a traditional door whether function, design, door weight, space or style are the issueWeight: 455g each, For door weights of up to 250 lbs; the floor bears the full weight of the door rather than door hingeDimension: Top Part 130mm*25MM/5.12"*1"Bottom Part 105mm*25MM/4.12"*1", Hole Size: 6mm/0.23"(as the picture shows)Product features:1. The function is similar to the upper and lower shafts of the ground spring. The heavy-duty shafts are installed at the bottom and top of the door leaf, and play an important role in the opening and closing of the door leaf;2. The maximum opening angle is 90.The main technical parameters:1. The acid salt spray test is performed for 24 hours, and the surface corrosion resistance level reaches the 10-level standard;2. Applicable door thickness: 3260mm, hidden recess 5mm thick, maximum door height dimension 18002800mm, maximum door width 1500mm;3. Maximum load-bearing: 120KG.Product material: SUS304 stainless steelSurface treatment: sand lightproduct advantages:1. The bearing under the rotating shaft adopts steel ball contact, which can be opened and closed freely and silently, and the screw adjustment is convenient for installation and maintenance;2. When the door is closed, the hinge cannot be seen inside or outside, which keeps the door leaf beautiful. Installation method and scope of application:1. Open hidden recesses at the bottom and top of the installed door leaf, and use self-tapping screws to fix the shaft on the door leaf;2. The upper and lower components of the product have different structures and need to be installed separately;3. Use the hexagonal key to adjust the upper shaft screw so that the upper shaft is inserted into the upper door frame bushing. Refer to the manual for specific dimensions and installation methods;4. Suitable for bathroom door.