High precision: the scale on measuring tool is laser-engraved by a professional machine, printed with a white coating and has a clear reading. Even if the white coating is worn later, the scale will not be blurred.Quality manufacturing: the mitre angle is made of high-quality aluminium alloy with high density and high hardness, which is corrosion-resistant, antioxidant and not easy to deform. Compared to other plastic protractors, it is more durable.MultifunctionalThe mitre angle meter has more than ten functions: as a 45 90 protractor and other angles, dovetail template, hole ruler, drilling positioning, parallel marking, T-shaped marking, etc.Wide ApplicationThe three-dimensional design makes measuring and marking more flexible, so the application area is wider: square and tube, hollow and solid objects, aluminium alloy, wood, marble, etc. When maintenance workers, carpenters, installers and construction workers are equipped with this multifunctional measuring tool, the work requirements are met.Customer Servicestrives to offer you high-quality products and satisfactory customer service. No matter what problem you encounter, I hope you can contact us. We will help you solve the problem as soon as possible.