The ruler has a cork backing to prevent ink from getting under the stainless steel ruler. Hanging holes make it easy to store the ruler after use. The scales are clearly visible: The markings are engraved and filled with color, precise measurements in imperial and metric scales are clear, the numbers and letters on the side are clearly visible, and precise markings are used to make accurate measurements on all objects. The edge of the ruler starts from the zero mark for accurate measurement, and the metal ruler has rounded edges and is available in a variety of styles to facilitate use in different situations. Fragile plastic ruler: Made of high-quality stainless steel, which prevents rust and corrosion and is durable, say goodbye to chips on wooden rulers or faded marks on fragile plastic rulers. The metal ruler is flexible enough to measure curved surfaces without breaking. WIDE APPLICATIONS: These metal rulers are useful measuring tools for artists, designers, architects, engineers, carpentry students, plasterers, architects, DIY enthusiasts and more. Suitable for classrooms, schools, offices, homes, drawing supplies and drawing kits, etc. They can be used on canvas, glass, wood, wallpaper and more.