The ruler's ends are smooth and flat, offering good flexibility and allowing for measurement on curved surfaces without breakage Made of stainless steel, this ruler boasts superior performance, is sturdy and practical, and is not easily bent The ruler's unique structural design makes it easy to store and saves space, simplifying its use and organization The graduations are specially processed, ensuring clear numbers that are not easily detached SUITABLE Metal 15cm Rulers For Sewing and Cutting, Drawing , Craft Rulers, DIY, Architects or any other activity where an accurate straight edge measure is needed., Manufacturer: TVANTRUXIS