About this item other Material:Zinc Alloy Hinges Rubber Kit Stainless Steel Screws ; Color:Black ; Package: 2 x Toilet seat hinges, 2 x Threaded rod, 6 x Rubber Kit, 8 x Screws; Size：Approx 3*3.5*4cm/1.2*1.4*1.6inch; Full length: 10cm/3.9inch; Threaded rod: 7.8cm/3inch; Screw: 1.5cm/0.6inch; Washer diameter: 4cm/1.6inch; Washer diameter: 2.8cm/1.1inch. This product fits most toilet seats such as wood, resin, metal or plastic. The accessories are already complete, just need a screwdriver to easily install or remove. Put the toilet seat on a flat surface and use a screwdriver to remove the old hinge. Then, install the new hinge in the same hole.