STG Hardware Kitchen Drawer 110degree Slide on Self Closing Hinge QUALITY- Made of high-quality steel with coating for rust and corrosion resistance. Easy installation: It's press-in type, the self close cabinet hinge with dowels. And each hinge comes with another two mounting screws except attached dowels. *Please double check the distance of existing holes before placing an order; make sure new hinge usable for the predrilled holes. The hidden cabinet hinges are made of metal material. The damping mechanism and spring are strong, making the hinge operate long-lasting. It's whether you prefer modernity or traditional touches. Mounting screws and plates are contained, perfect for the replacement of old cabinet hinges.