Material: plastic + stainless steel, chrome effect toilet hinges. Durable, soft and strong nylon mounting nuts won’t corrode like metal wing nuts. Universal toilet seat hinge: suitable for most wood, resin and MDF toilet seats . Easy to install:. Adjustable to fit toilets of different sizes. All mounting hardware is included. Package: 2 x toilet seat hinges + 2 x pair of threaded rod + 6 x rubber kit + 8 x screws. Comes complete with all fittings and should be installed with ease, all you will need is a screwdriver.