Product content: You will receive 1 x radian measuring ruler and a pen, measuring 233 x 27 m, color black + orange. Durable material: The arc measuring ruler is made of durable metal and ABS plastic , which has good resistance to wear and corrosion. Therefore, it is suitable for long-term use and can withstand many woodworking challenges. Precise measurement: The radian measuring ruler has a high-precision scale and can accurately measure wood of irregular shape or other materials such as curves and arcs. It helps you quickly get the measurements you need. Flexible and adjustable: The measuring arc ruler can be flexibly adjusted according to your needs to accommodate curves or arcs of different sizes. It can be stretched or rotated according to the actual situation to allow users to measure accurately. Easy to carry: The arc measuring ruler is compact in design, lightweight and easy to carry . Carpenters can easily take it with them and use it on the job site or between projects, providing a convenient measurement solution. Note: The data is all measured manually, please allow error of 1-3cm Due to differences in light and display, there may be color differences, please refer to the actual item received.