door pivot hinge is able to support much heavier doors than the typical butt hinges.They are supported by the bottom arm and the floor instead of the door frame which reduces the stress on the frame.This door pivot hinge can 360 degree rotation, widely use in bedroom, livingroom, , tall building door and so on.Top pivot with retractable pin, for easy installation. Bottom pivot with sphere.Weight: 455g.For door weights of up to 250 lbs.The floor bears the full weight of the door rather than door hinge1.2Adjustable gap,The door is removable3They are supported by the bottom arm and the floor instead of the door frame which reduces the stress on the frame.4Top pivot with retractable pin, for easy installation5idely use in bedroom, livingroom, , tall building door and so on.colour:SilverMaterial:stainless steelPackage Contents:1 * set of Door Pivot Hinge SystemNOTE: This item does NOT come with mounting screws.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.