Sewing machine hinge brass art.305. It is much more durable than iron ones, while remaining unchanged and indelible over time. The metal of its construction is made of solid brass of excellent quality (Bronze), which also has a special varnish coating to prevent it from being altered, oxidized, or changed over time. It is available in nickel matte or gold matte finish. The sewing machine hinge is Greek made by Metalor.