protractor made of high-quality carbon steel for measurements in the woodworking and construction industries

The product is made of high carbon steel, which is not easy to rust and has a service life. The scale is engraved by a machine. The figures are very clear and easy to read. The product is compact, portable and suitable for outdoor . Feature: The product is made of high carbon steel, which is not easy to rust and has a service life. The scale is engraved by a machine. The figures are very clear and easy to read. The product is compact, portable and suitable for outdoor . The measuring of the product is very high. It can be ly measured by fine-tuning and measuring range is 0-320 degrees. Products are widely used in woodworking, construction, mechanical processing and other industries. Specification: Material: High carbon steel Range: 0-320 degrees Application: Angle measuring Package list: 1 * Protractor Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Use: The position of the angle ruler should be calibrated first. The position of the angle ruler is installed on both the angle ruler and the ruler. The bottom of the angle ruler and the base ruler have no contact with the ruler. At this time, the main ruler is aligned with the 0 line of the vernier. After adjusting the position, any angle in the range of 0-320 degrees can be measured by changing the mutual position of base ruler, angle ruler and ruler.