High quality materialsThe combination bracket is made of high quality stainless steel and aluminum alloy. Resistance to corrosion and oxidation. It is finely processed, durable and not easy to bend. Combination Angle RulerAdopt laser technology to manufacture high precision, double-sided ruler in mm and cm graduations. Embossed graduation for easy reading and durability. Multi-dimensional measurementMeasuring range is 0~300mm, carpentry squares can realize level measurement, angle measurement at 90, 45 degree angle measurement, can be used as a 45 degree miter gauge, height or depth. Easy to UseThis multifunctional square ruler is simple and practical use. It only needs to be calibrated. It can be used directly where you need to measure, and it is convenient for your operation. Scope of applicationThis combination angle ruler is suitable for measuring, marking , lay, etc., to help you measure accurately, widely used in home, engineering measurement, housing construction and other places.