Double-sided ruler with millimeter and centimeter scale is easy to read with high accuracy manufacturing technology Measuring tool is a combination kit that can handle multiple processes, making the workbench neat and tidy and space-saving The ruler is made of high grade stainless steel, does not rust and deform The combined measuring tool is suitable for measurement, marking, laying, etc. Consists of a 300mm stainless steel ruler and an adjustable square head for more accurate measurement, Manufacturer: Airshi