A set of standard toilet hinge and fixing mountingsPretty easy to fit if your old ones are worn outSturdy hinges keep you sitting tightHinge Mount Diameter: Approx. 1.5 inchThreaded Rod Size: Approx. 3.1 x 0.2 inchThe set of toilet hinge featuring pretty easy to fit when you need to replace your old ones, if fit for most toilet . The set of toilet hinge included two threaded rods, two nuts, four gaskets. The threaded rod is screwed into the hinge mount, you can loosen the screw at bottom allows the mount to rotate, changing the relative position of two alternative holes, and then fit the gaskets into the threaded rod, at last tightened underneath with a plasctic wing nut.Description:White Gasket Diameter: Approx. 1.5 inch (outside), 0.3 inch (inside)Black Gasket Diameter: Approx. 1.1 inch (outside), 0.4 inch (inside)Nut Hole Diameter: Approx. 0.2 inchMaterial: Zinc alloy hinge, rubber gasket, iron lead screw, plastic nutColor: White, black, silvery tonePackage Included:2 x Hinge2 x Threaded Rod4 x Gasket2 x NutNote: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.